18464974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 31363200

約数和(自身を除く): 12898226

約数列:

[1, 2, 11, 22, 43, 86, 131, 149, 262, 298, 473, 946, 1441, 1639, 2882, 3278, 5633, 6407, 11266, 12814, 19519, 39038, 61963, 70477, 123926, 140954, 214709, 429418, 839317, 1678634, 9232487, 18464974]

約数ペア:

[(1, 18464974), (2, 9232487), (11, 1678634), (22, 839317), (43, 429418), (86, 214709), (131, 140954), (149, 123926), (262, 70477), (298, 61963), (473, 39038), (946, 19519), (1441, 12814), (1639, 11266), (2882, 6407), (3278, 5633)]