19484176

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71633}}^1$

素因数の和:71658

約数の個数: 20

約数和(自身を含む): 39971772

約数和(自身を除く): 20487596

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71633, 143266, 286532, 573064, 1146128, 1217761, 2435522, 4871044, 9742088, 19484176]

約数ペア:

[(1, 19484176), (2, 9742088), (4, 4871044), (8, 2435522), (16, 1217761), (17, 1146128), (34, 573064), (68, 286532), (136, 143266), (272, 71633)]