19499640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3779}}^1$

素因数の和:3836

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 40375560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3779, 5160, 7558, 11337, 15116, 18895, 22674, 30232, 37790, 45348, 56685, 75580, 90696, 113370, 151160, 162497, 226740, 324994, 453480, 487491, 649988, 812485, 974982, 1299976, 1624970, 1949964, 2437455, 3249940, 3899928, 4874910, 6499880, 9749820, 19499640]

約数ペア:

[(1, 19499640), (2, 9749820), (3, 6499880), (4, 4874910), (5, 3899928), (6, 3249940), (8, 2437455), (10, 1949964), (12, 1624970), (15, 1299976), (20, 974982), (24, 812485), (30, 649988), (40, 487491), (43, 453480), (60, 324994), (86, 226740), (120, 162497), (129, 151160), (172, 113370), (215, 90696), (258, 75580), (344, 56685), (430, 45348), (516, 37790), (645, 30232), (860, 22674), (1032, 18895), (1290, 15116), (1720, 11337), (2580, 7558), (3779, 5160)]