18497948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 38750208

約数和(自身を除く): 20252260

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 101, 124, 202, 211, 217, 404, 422, 434, 707, 844, 868, 1414, 1477, 2828, 2954, 3131, 5908, 6262, 6541, 12524, 13082, 21311, 21917, 26164, 42622, 43834, 45787, 85244, 87668, 91574, 149177, 183148, 298354, 596708, 660641, 1321282, 2642564, 4624487, 9248974, 18497948]

約数ペア:

[(1, 18497948), (2, 9248974), (4, 4624487), (7, 2642564), (14, 1321282), (28, 660641), (31, 596708), (62, 298354), (101, 183148), (124, 149177), (202, 91574), (211, 87668), (217, 85244), (404, 45787), (422, 43834), (434, 42622), (707, 26164), (844, 21917), (868, 21311), (1414, 13082), (1477, 12524), (2828, 6541), (2954, 6262), (3131, 5908)]