19995472

素因数分解:

$2^4\times 7^1\times {\mathrm{178531}}^1$

素因数の和:178546

約数の個数: 20

約数和(自身を含む): 44275936

約数和(自身を除く): 24280464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178531, 357062, 714124, 1249717, 1428248, 2499434, 2856496, 4998868, 9997736, 19995472]

約数ペア:

[(1, 19995472), (2, 9997736), (4, 4998868), (7, 2856496), (8, 2499434), (14, 1428248), (16, 1249717), (28, 714124), (56, 357062), (112, 178531)]