19109792

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 22040800

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 647, 923, 1136, 1294, 1846, 2272, 2588, 3692, 5176, 7384, 8411, 10352, 14768, 16822, 20704, 29536, 33644, 45937, 67288, 91874, 134576, 183748, 269152, 367496, 597181, 734992, 1194362, 1469984, 2388724, 4777448, 9554896, 19109792]

約数ペア:

[(1, 19109792), (2, 9554896), (4, 4777448), (8, 2388724), (13, 1469984), (16, 1194362), (26, 734992), (32, 597181), (52, 367496), (71, 269152), (104, 183748), (142, 134576), (208, 91874), (284, 67288), (416, 45937), (568, 33644), (647, 29536), (923, 20704), (1136, 16822), (1294, 14768), (1846, 10352), (2272, 8411), (2588, 7384), (3692, 5176)]