18027379460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1\times {\mathrm{33113}}^1$

素因数の和:33452

約数の個数: 48

約数和(自身を含む): 38318990976

約数和(自身を除く): 20291611516

約数列:

[1, 2, 4, 5, 10, 20, 163, 167, 326, 334, 652, 668, 815, 835, 1630, 1670, 3260, 3340, 27221, 33113, 54442, 66226, 108884, 132452, 136105, 165565, 272210, 331130, 544420, 662260, 5397419, 5529871, 10794838, 11059742, 21589676, 22119484, 26987095, 27649355, 53974190, 55298710, 107948380, 110597420, 901368973, 1802737946, 3605475892, 4506844865, 9013689730, 18027379460]

約数ペア:

[(1, 18027379460), (2, 9013689730), (4, 4506844865), (5, 3605475892), (10, 1802737946), (20, 901368973), (163, 110597420), (167, 107948380), (326, 55298710), (334, 53974190), (652, 27649355), (668, 26987095), (815, 22119484), (835, 21589676), (1630, 11059742), (1670, 10794838), (3260, 5529871), (3340, 5397419), (27221, 662260), (33113, 544420), (54442, 331130), (66226, 272210), (108884, 165565), (132452, 136105)]