15919948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 32457600

約数和(自身を除く): 16537652

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 137, 139, 209, 274, 278, 418, 548, 556, 836, 1507, 1529, 2603, 2641, 3014, 3058, 5206, 5282, 6028, 6116, 10412, 10564, 19043, 28633, 29051, 38086, 57266, 58102, 76172, 114532, 116204, 209473, 361817, 418946, 723634, 837892, 1447268, 3979987, 7959974, 15919948]

約数ペア:

[(1, 15919948), (2, 7959974), (4, 3979987), (11, 1447268), (19, 837892), (22, 723634), (38, 418946), (44, 361817), (76, 209473), (137, 116204), (139, 114532), (209, 76172), (274, 58102), (278, 57266), (418, 38086), (548, 29051), (556, 28633), (836, 19043), (1507, 10564), (1529, 10412), (2603, 6116), (2641, 6028), (3014, 5282), (3058, 5206)]