19239376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5441}}^1$

素因数の和:5479

約数の個数: 40

約数和(自身を含む): 42512904

約数和(自身を除く): 23273528

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5441, 10882, 21764, 43528, 70733, 87056, 92497, 141466, 184994, 282932, 369988, 565864, 739976, 1131728, 1202461, 1479952, 2404922, 4809844, 9619688, 19239376]

約数ペア:

[(1, 19239376), (2, 9619688), (4, 4809844), (8, 2404922), (13, 1479952), (16, 1202461), (17, 1131728), (26, 739976), (34, 565864), (52, 369988), (68, 282932), (104, 184994), (136, 141466), (208, 92497), (221, 87056), (272, 70733), (442, 43528), (884, 21764), (1768, 10882), (3536, 5441)]