19005777640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2647}}^1\times {\mathrm{10559}}^1$

素因数の和:13234

約数の個数: 64

約数和(自身を含む): 45299865600

約数和(自身を除く): 26294087960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2647, 5294, 10559, 10588, 13235, 21118, 21176, 26470, 42236, 44999, 52795, 52940, 84472, 89998, 105590, 105880, 179503, 179996, 211180, 224995, 359006, 359992, 422360, 449990, 718012, 897515, 899980, 1436024, 1795030, 1799960, 3590060, 7180120, 27949673, 55899346, 111798692, 139748365, 223597384, 279496730, 475144441, 558993460, 950288882, 1117986920, 1900577764, 2375722205, 3801155528, 4751444410, 9502888820, 19005777640]

約数ペア:

[(1, 19005777640), (2, 9502888820), (4, 4751444410), (5, 3801155528), (8, 2375722205), (10, 1900577764), (17, 1117986920), (20, 950288882), (34, 558993460), (40, 475144441), (68, 279496730), (85, 223597384), (136, 139748365), (170, 111798692), (340, 55899346), (680, 27949673), (2647, 7180120), (5294, 3590060), (10559, 1799960), (10588, 1795030), (13235, 1436024), (21118, 899980), (21176, 897515), (26470, 718012), (42236, 449990), (44999, 422360), (52795, 359992), (52940, 359006), (84472, 224995), (89998, 211180), (105590, 179996), (105880, 179503)]