18622203500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^2\times {\mathrm{20143}}^1$

素因数の和:20248

約数の個数: 72

約数和(自身を含む): 41640790464

約数和(自身を除く): 23018586964

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 1849, 2150, 3698, 4300, 5375, 7396, 9245, 10750, 18490, 20143, 21500, 36980, 40286, 46225, 80572, 92450, 100715, 184900, 201430, 231125, 402860, 462250, 503575, 866149, 924500, 1007150, 1732298, 2014300, 2517875, 3464596, 4330745, 5035750, 8661490, 10071500, 17322980, 21653725, 37244407, 43307450, 74488814, 86614900, 108268625, 148977628, 186222035, 216537250, 372444070, 433074500, 744888140, 931110175, 1862220350, 3724440700, 4655550875, 9311101750, 18622203500]

約数ペア:

[(1, 18622203500), (2, 9311101750), (4, 4655550875), (5, 3724440700), (10, 1862220350), (20, 931110175), (25, 744888140), (43, 433074500), (50, 372444070), (86, 216537250), (100, 186222035), (125, 148977628), (172, 108268625), (215, 86614900), (250, 74488814), (430, 43307450), (500, 37244407), (860, 21653725), (1075, 17322980), (1849, 10071500), (2150, 8661490), (3698, 5035750), (4300, 4330745), (5375, 3464596), (7396, 2517875), (9245, 2014300), (10750, 1732298), (18490, 1007150), (20143, 924500), (21500, 866149), (36980, 503575), (40286, 462250), (46225, 402860), (80572, 231125), (92450, 201430), (100715, 184900)]