19187460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 62078016

約数和(自身を除く): 42890556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 67, 74, 86, 90, 111, 129, 134, 148, 172, 180, 185, 201, 215, 222, 258, 268, 333, 335, 370, 387, 402, 430, 444, 516, 555, 603, 645, 666, 670, 740, 774, 804, 860, 1005, 1110, 1206, 1290, 1332, 1340, 1548, 1591, 1665, 1935, 2010, 2220, 2412, 2479, 2580, 2881, 3015, 3182, 3330, 3870, 4020, 4773, 4958, 5762, 6030, 6364, 6660, 7437, 7740, 7955, 8643, 9546, 9916, 11524, 12060, 12395, 14319, 14405, 14874, 15910, 17286, 19092, 22311, 23865, 24790, 25929, 28638, 28810, 29748, 31820, 34572, 37185, 43215, 44622, 47730, 49580, 51858, 57276, 57620, 71595, 74370, 86430, 89244, 95460, 103716, 106597, 111555, 129645, 143190, 148740, 172860, 213194, 223110, 259290, 286380, 319791, 426388, 446220, 518580, 532985, 639582, 959373, 1065970, 1279164, 1598955, 1918746, 2131940, 3197910, 3837492, 4796865, 6395820, 9593730, 19187460]

約数ペア:

[(1, 19187460), (2, 9593730), (3, 6395820), (4, 4796865), (5, 3837492), (6, 3197910), (9, 2131940), (10, 1918746), (12, 1598955), (15, 1279164), (18, 1065970), (20, 959373), (30, 639582), (36, 532985), (37, 518580), (43, 446220), (45, 426388), (60, 319791), (67, 286380), (74, 259290), (86, 223110), (90, 213194), (111, 172860), (129, 148740), (134, 143190), (148, 129645), (172, 111555), (180, 106597), (185, 103716), (201, 95460), (215, 89244), (222, 86430), (258, 74370), (268, 71595), (333, 57620), (335, 57276), (370, 51858), (387, 49580), (402, 47730), (430, 44622), (444, 43215), (516, 37185), (555, 34572), (603, 31820), (645, 29748), (666, 28810), (670, 28638), (740, 25929), (774, 24790), (804, 23865), (860, 22311), (1005, 19092), (1110, 17286), (1206, 15910), (1290, 14874), (1332, 14405), (1340, 14319), (1548, 12395), (1591, 12060), (1665, 11524), (1935, 9916), (2010, 9546), (2220, 8643), (2412, 7955), (2479, 7740), (2580, 7437), (2881, 6660), (3015, 6364), (3182, 6030), (3330, 5762), (3870, 4958), (4020, 4773)]