19487936

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 56

約数和(自身を含む): 42458640

約数和(自身を除く): 22970704

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 208, 236, 397, 416, 472, 767, 794, 832, 944, 1534, 1588, 1888, 3068, 3176, 3776, 5161, 6136, 6352, 10322, 12272, 12704, 20644, 23423, 24544, 25408, 41288, 46846, 49088, 82576, 93692, 165152, 187384, 304499, 330304, 374768, 608998, 749536, 1217996, 1499072, 2435992, 4871984, 9743968, 19487936]

約数ペア:

[(1, 19487936), (2, 9743968), (4, 4871984), (8, 2435992), (13, 1499072), (16, 1217996), (26, 749536), (32, 608998), (52, 374768), (59, 330304), (64, 304499), (104, 187384), (118, 165152), (208, 93692), (236, 82576), (397, 49088), (416, 46846), (472, 41288), (767, 25408), (794, 24544), (832, 23423), (944, 20644), (1534, 12704), (1588, 12272), (1888, 10322), (3068, 6352), (3176, 6136), (3776, 5161)]