19649144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{144479}}^1$

素因数の和:144502

約数の個数: 16

約数和(自身を含む): 39009600

約数和(自身を除く): 19360456

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 144479, 288958, 577916, 1155832, 2456143, 4912286, 9824572, 19649144]

約数ペア:

[(1, 19649144), (2, 9824572), (4, 4912286), (8, 2456143), (17, 1155832), (34, 577916), (68, 288958), (136, 144479)]