19601816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11087}}^1$

素因数の和:11123

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 22310824

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11087, 22174, 44348, 88696, 144131, 188479, 288262, 376958, 576524, 753916, 1153048, 1507832, 2450227, 4900454, 9800908, 19601816]

約数ペア:

[(1, 19601816), (2, 9800908), (4, 4900454), (8, 2450227), (13, 1507832), (17, 1153048), (26, 753916), (34, 576524), (52, 376958), (68, 288262), (104, 188479), (136, 144131), (221, 88696), (442, 44348), (884, 22174), (1768, 11087)]