19504168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{143413}}^1$

素因数の和:143436

約数の個数: 16

約数和(自身を含む): 38721780

約数和(自身を除く): 19217612

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 143413, 286826, 573652, 1147304, 2438021, 4876042, 9752084, 19504168]

約数ペア:

[(1, 19504168), (2, 9752084), (4, 4876042), (8, 2438021), (17, 1147304), (34, 573652), (68, 286826), (136, 143413)]