19373744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5479}}^1$

素因数の和:5517

約数の個数: 40

約数和(自身を含む): 42809760

約数和(自身を除く): 23436016

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5479, 10958, 21916, 43832, 71227, 87664, 93143, 142454, 186286, 284908, 372572, 569816, 745144, 1139632, 1210859, 1490288, 2421718, 4843436, 9686872, 19373744]

約数ペア:

[(1, 19373744), (2, 9686872), (4, 4843436), (8, 2421718), (13, 1490288), (16, 1210859), (17, 1139632), (26, 745144), (34, 569816), (52, 372572), (68, 284908), (104, 186286), (136, 142454), (208, 93143), (221, 87664), (272, 71227), (442, 43832), (884, 21916), (1768, 10958), (3536, 5479)]