18417256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 43001280

約数和(自身を除く): 24584024

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 947, 1144, 1496, 1768, 1894, 2431, 3788, 4862, 7576, 9724, 10417, 12311, 16099, 19448, 20834, 24622, 32198, 41668, 49244, 64396, 83336, 98488, 128792, 135421, 177089, 209287, 270842, 354178, 418574, 541684, 708356, 837148, 1083368, 1416712, 1674296, 2302157, 4604314, 9208628, 18417256]

約数ペア:

[(1, 18417256), (2, 9208628), (4, 4604314), (8, 2302157), (11, 1674296), (13, 1416712), (17, 1083368), (22, 837148), (26, 708356), (34, 541684), (44, 418574), (52, 354178), (68, 270842), (88, 209287), (104, 177089), (136, 135421), (143, 128792), (187, 98488), (221, 83336), (286, 64396), (374, 49244), (442, 41668), (572, 32198), (748, 24622), (884, 20834), (947, 19448), (1144, 16099), (1496, 12311), (1768, 10417), (1894, 9724), (2431, 7576), (3788, 4862)]