19925152

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 42632352

約数和(自身を除く): 22707200

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 211, 227, 416, 422, 454, 844, 908, 1688, 1816, 2743, 2951, 3376, 3632, 5486, 5902, 6752, 7264, 10972, 11804, 21944, 23608, 43888, 47216, 47897, 87776, 94432, 95794, 191588, 383176, 622661, 766352, 1245322, 1532704, 2490644, 4981288, 9962576, 19925152]

約数ペア:

[(1, 19925152), (2, 9962576), (4, 4981288), (8, 2490644), (13, 1532704), (16, 1245322), (26, 766352), (32, 622661), (52, 383176), (104, 191588), (208, 95794), (211, 94432), (227, 87776), (416, 47897), (422, 47216), (454, 43888), (844, 23608), (908, 21944), (1688, 11804), (1816, 10972), (2743, 7264), (2951, 6752), (3376, 5902), (3632, 5486)]