18936164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 39062016

約数和(自身を除く): 20125852

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 221, 403, 442, 527, 691, 806, 884, 1054, 1382, 1612, 2108, 2764, 6851, 8983, 11747, 13702, 17966, 21421, 23494, 27404, 35932, 42842, 46988, 85684, 152711, 278473, 305422, 364157, 556946, 610844, 728314, 1113892, 1456628, 4734041, 9468082, 18936164]

約数ペア:

[(1, 18936164), (2, 9468082), (4, 4734041), (13, 1456628), (17, 1113892), (26, 728314), (31, 610844), (34, 556946), (52, 364157), (62, 305422), (68, 278473), (124, 152711), (221, 85684), (403, 46988), (442, 42842), (527, 35932), (691, 27404), (806, 23494), (884, 21421), (1054, 17966), (1382, 13702), (1612, 11747), (2108, 8983), (2764, 6851)]