19969376

素因数分解:

$2^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1511}}^1$

素因数の和:1587

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 25753504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 112, 118, 224, 236, 413, 472, 826, 944, 1511, 1652, 1888, 3022, 3304, 6044, 6608, 10577, 12088, 13216, 21154, 24176, 42308, 48352, 84616, 89149, 169232, 178298, 338464, 356596, 624043, 713192, 1248086, 1426384, 2496172, 2852768, 4992344, 9984688, 19969376]

約数ペア:

[(1, 19969376), (2, 9984688), (4, 4992344), (7, 2852768), (8, 2496172), (14, 1426384), (16, 1248086), (28, 713192), (32, 624043), (56, 356596), (59, 338464), (112, 178298), (118, 169232), (224, 89149), (236, 84616), (413, 48352), (472, 42308), (826, 24176), (944, 21154), (1511, 13216), (1652, 12088), (1888, 10577), (3022, 6608), (3304, 6044)]