19491656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 19427224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 251, 502, 571, 1004, 1142, 2008, 2284, 4267, 4568, 8534, 9707, 17068, 19414, 34136, 38828, 77656, 143321, 286642, 573284, 1146568, 2436457, 4872914, 9745828, 19491656]

約数ペア:

[(1, 19491656), (2, 9745828), (4, 4872914), (8, 2436457), (17, 1146568), (34, 573284), (68, 286642), (136, 143321), (251, 77656), (502, 38828), (571, 34136), (1004, 19414), (1142, 17068), (2008, 9707), (2284, 8534), (4267, 4568)]