19454550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5639}}^1$

素因数の和:5677

約数の個数: 48

約数和(自身を含む): 50353920

約数和(自身を除く): 30899370

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5639, 11278, 16917, 28195, 33834, 56390, 84585, 129697, 140975, 169170, 259394, 281950, 389091, 422925, 648485, 778182, 845850, 1296970, 1945455, 3242425, 3890910, 6484850, 9727275, 19454550]

約数ペア:

[(1, 19454550), (2, 9727275), (3, 6484850), (5, 3890910), (6, 3242425), (10, 1945455), (15, 1296970), (23, 845850), (25, 778182), (30, 648485), (46, 422925), (50, 389091), (69, 281950), (75, 259394), (115, 169170), (138, 140975), (150, 129697), (230, 84585), (345, 56390), (575, 33834), (690, 28195), (1150, 16917), (1725, 11278), (3450, 5639)]