18113420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 43164576

約数和(自身を除く): 25051156

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 233, 260, 299, 338, 460, 466, 598, 676, 845, 932, 1165, 1196, 1495, 1690, 2330, 2990, 3029, 3380, 3887, 4660, 5359, 5980, 6058, 7774, 10718, 12116, 15145, 15548, 19435, 21436, 26795, 30290, 38870, 39377, 53590, 60580, 69667, 77740, 78754, 107180, 139334, 157508, 196885, 278668, 348335, 393770, 696670, 787540, 905671, 1393340, 1811342, 3622684, 4528355, 9056710, 18113420]

約数ペア:

[(1, 18113420), (2, 9056710), (4, 4528355), (5, 3622684), (10, 1811342), (13, 1393340), (20, 905671), (23, 787540), (26, 696670), (46, 393770), (52, 348335), (65, 278668), (92, 196885), (115, 157508), (130, 139334), (169, 107180), (230, 78754), (233, 77740), (260, 69667), (299, 60580), (338, 53590), (460, 39377), (466, 38870), (598, 30290), (676, 26795), (845, 21436), (932, 19435), (1165, 15548), (1196, 15145), (1495, 12116), (1690, 10718), (2330, 7774), (2990, 6058), (3029, 5980), (3380, 5359), (3887, 4660)]