19086660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1113

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 39409596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 991, 1070, 1284, 1605, 1926, 1982, 2140, 2973, 3210, 3852, 3964, 4815, 4955, 5946, 6420, 8919, 9630, 9910, 11892, 14865, 17838, 19260, 19820, 29730, 35676, 44595, 59460, 89190, 106037, 178380, 212074, 318111, 424148, 530185, 636222, 954333, 1060370, 1272444, 1590555, 1908666, 2120740, 3181110, 3817332, 4771665, 6362220, 9543330, 19086660]

約数ペア:

[(1, 19086660), (2, 9543330), (3, 6362220), (4, 4771665), (5, 3817332), (6, 3181110), (9, 2120740), (10, 1908666), (12, 1590555), (15, 1272444), (18, 1060370), (20, 954333), (30, 636222), (36, 530185), (45, 424148), (60, 318111), (90, 212074), (107, 178380), (180, 106037), (214, 89190), (321, 59460), (428, 44595), (535, 35676), (642, 29730), (963, 19820), (991, 19260), (1070, 17838), (1284, 14865), (1605, 11892), (1926, 9910), (1982, 9630), (2140, 8919), (2973, 6420), (3210, 5946), (3852, 4955), (3964, 4815)]