19813432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{145687}}^1$

素因数の和:145710

約数の個数: 16

約数和(自身を含む): 39335760

約数和(自身を除く): 19522328

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 145687, 291374, 582748, 1165496, 2476679, 4953358, 9906716, 19813432]

約数ペア:

[(1, 19813432), (2, 9906716), (4, 4953358), (8, 2476679), (17, 1165496), (34, 582748), (68, 291374), (136, 145687)]