19261472

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 39721752

約数和(自身を除く): 20460280

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 82, 106, 164, 212, 277, 328, 424, 554, 656, 848, 1108, 1312, 1696, 2173, 2216, 4346, 4432, 8692, 8864, 11357, 14681, 17384, 22714, 29362, 34768, 45428, 58724, 69536, 90856, 117448, 181712, 234896, 363424, 469792, 601921, 1203842, 2407684, 4815368, 9630736, 19261472]

約数ペア:

[(1, 19261472), (2, 9630736), (4, 4815368), (8, 2407684), (16, 1203842), (32, 601921), (41, 469792), (53, 363424), (82, 234896), (106, 181712), (164, 117448), (212, 90856), (277, 69536), (328, 58724), (424, 45428), (554, 34768), (656, 29362), (848, 22714), (1108, 17384), (1312, 14681), (1696, 11357), (2173, 8864), (2216, 8692), (4346, 4432)]