19184220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9689}}^1$

素因数の和:9715

約数の個数: 72

約数和(自身を含む): 63488880

約数和(自身を除く): 44304660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9689, 19378, 29067, 38756, 48445, 58134, 87201, 96890, 106579, 116268, 145335, 174402, 193780, 213158, 290670, 319737, 348804, 426316, 436005, 532895, 581340, 639474, 872010, 959211, 1065790, 1278948, 1598685, 1744020, 1918422, 2131580, 3197370, 3836844, 4796055, 6394740, 9592110, 19184220]

約数ペア:

[(1, 19184220), (2, 9592110), (3, 6394740), (4, 4796055), (5, 3836844), (6, 3197370), (9, 2131580), (10, 1918422), (11, 1744020), (12, 1598685), (15, 1278948), (18, 1065790), (20, 959211), (22, 872010), (30, 639474), (33, 581340), (36, 532895), (44, 436005), (45, 426316), (55, 348804), (60, 319737), (66, 290670), (90, 213158), (99, 193780), (110, 174402), (132, 145335), (165, 116268), (180, 106579), (198, 96890), (220, 87201), (330, 58134), (396, 48445), (495, 38756), (660, 29067), (990, 19378), (1980, 9689)]