19497060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 66306240

約数和(自身を除く): 46809180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 229, 258, 330, 387, 396, 430, 458, 473, 495, 516, 645, 660, 687, 774, 860, 916, 946, 990, 1145, 1290, 1374, 1419, 1548, 1892, 1935, 1980, 2061, 2290, 2365, 2519, 2580, 2748, 2838, 3435, 3870, 4122, 4257, 4580, 4730, 5038, 5676, 6870, 7095, 7557, 7740, 8244, 8514, 9460, 9847, 10076, 10305, 12595, 13740, 14190, 15114, 17028, 19694, 20610, 21285, 22671, 25190, 28380, 29541, 30228, 37785, 39388, 41220, 42570, 45342, 49235, 50380, 59082, 75570, 85140, 88623, 90684, 98470, 108317, 113355, 118164, 147705, 151140, 177246, 196940, 216634, 226710, 295410, 324951, 354492, 433268, 443115, 453420, 541585, 590820, 649902, 886230, 974853, 1083170, 1299804, 1624755, 1772460, 1949706, 2166340, 3249510, 3899412, 4874265, 6499020, 9748530, 19497060]

約数ペア:

[(1, 19497060), (2, 9748530), (3, 6499020), (4, 4874265), (5, 3899412), (6, 3249510), (9, 2166340), (10, 1949706), (11, 1772460), (12, 1624755), (15, 1299804), (18, 1083170), (20, 974853), (22, 886230), (30, 649902), (33, 590820), (36, 541585), (43, 453420), (44, 443115), (45, 433268), (55, 354492), (60, 324951), (66, 295410), (86, 226710), (90, 216634), (99, 196940), (110, 177246), (129, 151140), (132, 147705), (165, 118164), (172, 113355), (180, 108317), (198, 98470), (215, 90684), (220, 88623), (229, 85140), (258, 75570), (330, 59082), (387, 50380), (396, 49235), (430, 45342), (458, 42570), (473, 41220), (495, 39388), (516, 37785), (645, 30228), (660, 29541), (687, 28380), (774, 25190), (860, 22671), (916, 21285), (946, 20610), (990, 19694), (1145, 17028), (1290, 15114), (1374, 14190), (1419, 13740), (1548, 12595), (1892, 10305), (1935, 10076), (1980, 9847), (2061, 9460), (2290, 8514), (2365, 8244), (2519, 7740), (2580, 7557), (2748, 7095), (2838, 6870), (3435, 5676), (3870, 5038), (4122, 4730), (4257, 4580)]