18572680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{587}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 29690360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 587, 791, 904, 1130, 1174, 1582, 2260, 2348, 2935, 3164, 3955, 4109, 4520, 4696, 5870, 6328, 7910, 8218, 11740, 15820, 16436, 20545, 23480, 31640, 32872, 41090, 66331, 82180, 132662, 164360, 265324, 331655, 464317, 530648, 663310, 928634, 1326620, 1857268, 2321585, 2653240, 3714536, 4643170, 9286340, 18572680]

約数ペア:

[(1, 18572680), (2, 9286340), (4, 4643170), (5, 3714536), (7, 2653240), (8, 2321585), (10, 1857268), (14, 1326620), (20, 928634), (28, 663310), (35, 530648), (40, 464317), (56, 331655), (70, 265324), (113, 164360), (140, 132662), (226, 82180), (280, 66331), (452, 41090), (565, 32872), (587, 31640), (791, 23480), (904, 20545), (1130, 16436), (1174, 15820), (1582, 11740), (2260, 8218), (2348, 7910), (2935, 6328), (3164, 5870), (3955, 4696), (4109, 4520)]