19966883680

素因数分解:

$2^5\times 5^1\times {\mathrm{227}}^1\times {\mathrm{549749}}^1$

素因数の和:549991

約数の個数: 48

約数和(自身を含む): 47379654000

約数和(自身を除く): 27412770320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 227, 454, 908, 1135, 1816, 2270, 3632, 4540, 7264, 9080, 18160, 36320, 549749, 1099498, 2198996, 2748745, 4397992, 5497490, 8795984, 10994980, 17591968, 21989960, 43979920, 87959840, 124793023, 249586046, 499172092, 623965115, 998344184, 1247930230, 1996688368, 2495860460, 3993376736, 4991720920, 9983441840, 19966883680]

約数ペア:

[(1, 19966883680), (2, 9983441840), (4, 4991720920), (5, 3993376736), (8, 2495860460), (10, 1996688368), (16, 1247930230), (20, 998344184), (32, 623965115), (40, 499172092), (80, 249586046), (160, 124793023), (227, 87959840), (454, 43979920), (908, 21989960), (1135, 17591968), (1816, 10994980), (2270, 8795984), (3632, 5497490), (4540, 4397992), (7264, 2748745), (9080, 2198996), (18160, 1099498), (36320, 549749)]