18428476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 37884672

約数和(自身を除く): 19456196

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 71, 142, 187, 284, 347, 374, 694, 748, 781, 1207, 1388, 1562, 2414, 3124, 3817, 4828, 5899, 7634, 11798, 13277, 15268, 23596, 24637, 26554, 49274, 53108, 64889, 98548, 129778, 259556, 271007, 418829, 542014, 837658, 1084028, 1675316, 4607119, 9214238, 18428476]

約数ペア:

[(1, 18428476), (2, 9214238), (4, 4607119), (11, 1675316), (17, 1084028), (22, 837658), (34, 542014), (44, 418829), (68, 271007), (71, 259556), (142, 129778), (187, 98548), (284, 64889), (347, 53108), (374, 49274), (694, 26554), (748, 24637), (781, 23596), (1207, 15268), (1388, 13277), (1562, 11798), (2414, 7634), (3124, 5899), (3817, 4828)]