18191700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 216

約数和(自身を含む): 63980280

約数和(自身を除く): 45788580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 29, 30, 34, 36, 41, 45, 50, 51, 58, 60, 68, 75, 82, 85, 87, 90, 100, 102, 116, 123, 145, 150, 153, 164, 170, 174, 180, 204, 205, 225, 246, 255, 261, 290, 300, 306, 340, 348, 369, 410, 425, 435, 450, 492, 493, 510, 522, 580, 612, 615, 697, 725, 738, 765, 820, 850, 870, 900, 986, 1020, 1025, 1044, 1189, 1230, 1275, 1305, 1394, 1450, 1476, 1479, 1530, 1700, 1740, 1845, 1972, 2050, 2091, 2175, 2378, 2460, 2465, 2550, 2610, 2788, 2900, 2958, 3060, 3075, 3485, 3567, 3690, 3825, 4100, 4182, 4350, 4437, 4756, 4930, 5100, 5220, 5916, 5945, 6150, 6273, 6525, 6970, 7134, 7380, 7395, 7650, 8364, 8700, 8874, 9225, 9860, 10455, 10701, 11890, 12300, 12325, 12546, 13050, 13940, 14268, 14790, 15300, 17425, 17748, 17835, 18450, 20213, 20910, 21402, 22185, 23780, 24650, 25092, 26100, 29580, 29725, 31365, 34850, 35670, 36900, 36975, 40426, 41820, 42804, 44370, 49300, 52275, 53505, 59450, 60639, 62730, 69700, 71340, 73950, 80852, 88740, 89175, 101065, 104550, 107010, 110925, 118900, 121278, 125460, 147900, 156825, 178350, 181917, 202130, 209100, 214020, 221850, 242556, 267525, 303195, 313650, 356700, 363834, 404260, 443700, 505325, 535050, 606390, 627300, 727668, 909585, 1010650, 1070100, 1212780, 1515975, 1819170, 2021300, 3031950, 3638340, 4547925, 6063900, 9095850, 18191700]

約数ペア:

[(1, 18191700), (2, 9095850), (3, 6063900), (4, 4547925), (5, 3638340), (6, 3031950), (9, 2021300), (10, 1819170), (12, 1515975), (15, 1212780), (17, 1070100), (18, 1010650), (20, 909585), (25, 727668), (29, 627300), (30, 606390), (34, 535050), (36, 505325), (41, 443700), (45, 404260), (50, 363834), (51, 356700), (58, 313650), (60, 303195), (68, 267525), (75, 242556), (82, 221850), (85, 214020), (87, 209100), (90, 202130), (100, 181917), (102, 178350), (116, 156825), (123, 147900), (145, 125460), (150, 121278), (153, 118900), (164, 110925), (170, 107010), (174, 104550), (180, 101065), (204, 89175), (205, 88740), (225, 80852), (246, 73950), (255, 71340), (261, 69700), (290, 62730), (300, 60639), (306, 59450), (340, 53505), (348, 52275), (369, 49300), (410, 44370), (425, 42804), (435, 41820), (450, 40426), (492, 36975), (493, 36900), (510, 35670), (522, 34850), (580, 31365), (612, 29725), (615, 29580), (697, 26100), (725, 25092), (738, 24650), (765, 23780), (820, 22185), (850, 21402), (870, 20910), (900, 20213), (986, 18450), (1020, 17835), (1025, 17748), (1044, 17425), (1189, 15300), (1230, 14790), (1275, 14268), (1305, 13940), (1394, 13050), (1450, 12546), (1476, 12325), (1479, 12300), (1530, 11890), (1700, 10701), (1740, 10455), (1845, 9860), (1972, 9225), (2050, 8874), (2091, 8700), (2175, 8364), (2378, 7650), (2460, 7395), (2465, 7380), (2550, 7134), (2610, 6970), (2788, 6525), (2900, 6273), (2958, 6150), (3060, 5945), (3075, 5916), (3485, 5220), (3567, 5100), (3690, 4930), (3825, 4756), (4100, 4437), (4182, 4350)]