18885050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 37527360

約数和(自身を除く): 18642310

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 103, 190, 193, 206, 386, 475, 515, 950, 965, 1030, 1930, 1957, 2575, 3667, 3914, 4825, 5150, 7334, 9650, 9785, 18335, 19570, 19879, 36670, 39758, 48925, 91675, 97850, 99395, 183350, 198790, 377701, 496975, 755402, 993950, 1888505, 3777010, 9442525, 18885050]

約数ペア:

[(1, 18885050), (2, 9442525), (5, 3777010), (10, 1888505), (19, 993950), (25, 755402), (38, 496975), (50, 377701), (95, 198790), (103, 183350), (190, 99395), (193, 97850), (206, 91675), (386, 48925), (475, 39758), (515, 36670), (950, 19879), (965, 19570), (1030, 18335), (1930, 9785), (1957, 9650), (2575, 7334), (3667, 5150), (3914, 4825)]