18719050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 40354560

約数和(自身を除く): 21635510

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 79, 158, 175, 350, 395, 553, 677, 790, 1106, 1354, 1975, 2765, 3385, 3950, 4739, 5530, 6770, 9478, 13825, 16925, 23695, 27650, 33850, 47390, 53483, 106966, 118475, 236950, 267415, 374381, 534830, 748762, 1337075, 1871905, 2674150, 3743810, 9359525, 18719050]

約数ペア:

[(1, 18719050), (2, 9359525), (5, 3743810), (7, 2674150), (10, 1871905), (14, 1337075), (25, 748762), (35, 534830), (50, 374381), (70, 267415), (79, 236950), (158, 118475), (175, 106966), (350, 53483), (395, 47390), (553, 33850), (677, 27650), (790, 23695), (1106, 16925), (1354, 13825), (1975, 9478), (2765, 6770), (3385, 5530), (3950, 4739)]