18931900518

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{117163}}^1$

素因数の和:117409

約数の個数: 48

約数和(自身を含む): 42111553536

約数和(自身を除く): 23179653018

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 191, 282, 382, 423, 573, 846, 1146, 1719, 3438, 8977, 17954, 26931, 53862, 80793, 117163, 161586, 234326, 351489, 702978, 1054467, 2108934, 5506661, 11013322, 16519983, 22378133, 33039966, 44756266, 49559949, 67134399, 99119898, 134268798, 201403197, 402806394, 1051772251, 2103544502, 3155316753, 6310633506, 9465950259, 18931900518]

約数ペア:

[(1, 18931900518), (2, 9465950259), (3, 6310633506), (6, 3155316753), (9, 2103544502), (18, 1051772251), (47, 402806394), (94, 201403197), (141, 134268798), (191, 99119898), (282, 67134399), (382, 49559949), (423, 44756266), (573, 33039966), (846, 22378133), (1146, 16519983), (1719, 11013322), (3438, 5506661), (8977, 2108934), (17954, 1054467), (26931, 702978), (53862, 351489), (80793, 234326), (117163, 161586)]