19608496

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 39559968

約数和(自身を除く): 19951472

約数列:

[1, 2, 4, 8, 16, 41, 71, 82, 142, 164, 284, 328, 421, 568, 656, 842, 1136, 1684, 2911, 3368, 5822, 6736, 11644, 17261, 23288, 29891, 34522, 46576, 59782, 69044, 119564, 138088, 239128, 276176, 478256, 1225531, 2451062, 4902124, 9804248, 19608496]

約数ペア:

[(1, 19608496), (2, 9804248), (4, 4902124), (8, 2451062), (16, 1225531), (41, 478256), (71, 276176), (82, 239128), (142, 138088), (164, 119564), (284, 69044), (328, 59782), (421, 46576), (568, 34522), (656, 29891), (842, 23288), (1136, 17261), (1684, 11644), (2911, 6736), (3368, 5822)]