17638938

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 41610240

約数和(自身を除く): 23971302

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 41, 54, 62, 82, 93, 123, 186, 246, 257, 279, 369, 514, 558, 738, 771, 837, 1107, 1271, 1542, 1674, 2214, 2313, 2542, 3813, 4626, 6939, 7626, 7967, 10537, 11439, 13878, 15934, 21074, 22878, 23901, 31611, 34317, 47802, 63222, 68634, 71703, 94833, 143406, 189666, 215109, 284499, 326647, 430218, 568998, 653294, 979941, 1959882, 2939823, 5879646, 8819469, 17638938]

約数ペア:

[(1, 17638938), (2, 8819469), (3, 5879646), (6, 2939823), (9, 1959882), (18, 979941), (27, 653294), (31, 568998), (41, 430218), (54, 326647), (62, 284499), (82, 215109), (93, 189666), (123, 143406), (186, 94833), (246, 71703), (257, 68634), (279, 63222), (369, 47802), (514, 34317), (558, 31611), (738, 23901), (771, 22878), (837, 21074), (1107, 15934), (1271, 13878), (1542, 11439), (1674, 10537), (2214, 7967), (2313, 7626), (2542, 6939), (3813, 4626)]