18268900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 108

約数和(自身を含む): 45747072

約数和(自身を除く): 27478172

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 47, 50, 52, 65, 92, 94, 100, 115, 130, 169, 188, 230, 235, 260, 299, 325, 338, 460, 470, 575, 598, 611, 650, 676, 845, 940, 1081, 1150, 1175, 1196, 1222, 1300, 1495, 1690, 2162, 2300, 2350, 2444, 2990, 3055, 3380, 3887, 4225, 4324, 4700, 5405, 5980, 6110, 7475, 7774, 7943, 8450, 10810, 12220, 14053, 14950, 15275, 15548, 15886, 16900, 19435, 21620, 27025, 28106, 29900, 30550, 31772, 38870, 39715, 54050, 56212, 61100, 70265, 77740, 79430, 97175, 108100, 140530, 158860, 182689, 194350, 198575, 281060, 351325, 365378, 388700, 397150, 702650, 730756, 794300, 913445, 1405300, 1826890, 3653780, 4567225, 9134450, 18268900]

約数ペア:

[(1, 18268900), (2, 9134450), (4, 4567225), (5, 3653780), (10, 1826890), (13, 1405300), (20, 913445), (23, 794300), (25, 730756), (26, 702650), (46, 397150), (47, 388700), (50, 365378), (52, 351325), (65, 281060), (92, 198575), (94, 194350), (100, 182689), (115, 158860), (130, 140530), (169, 108100), (188, 97175), (230, 79430), (235, 77740), (260, 70265), (299, 61100), (325, 56212), (338, 54050), (460, 39715), (470, 38870), (575, 31772), (598, 30550), (611, 29900), (650, 28106), (676, 27025), (845, 21620), (940, 19435), (1081, 16900), (1150, 15886), (1175, 15548), (1196, 15275), (1222, 14950), (1300, 14053), (1495, 12220), (1690, 10810), (2162, 8450), (2300, 7943), (2350, 7774), (2444, 7475), (2990, 6110), (3055, 5980), (3380, 5405), (3887, 4700), (4225, 4324)]