19985524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{457}}^1$

素因数の和:532

約数の個数: 36

約数和(自身を含む): 39093964

約数和(自身を除く): 19108440

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 457, 754, 841, 914, 1508, 1682, 1828, 3364, 5941, 10933, 11882, 13253, 21866, 23764, 26506, 43732, 53012, 172289, 344578, 384337, 689156, 768674, 1537348, 4996381, 9992762, 19985524]

約数ペア:

[(1, 19985524), (2, 9992762), (4, 4996381), (13, 1537348), (26, 768674), (29, 689156), (52, 384337), (58, 344578), (116, 172289), (377, 53012), (457, 43732), (754, 26506), (841, 23764), (914, 21866), (1508, 13253), (1682, 11882), (1828, 10933), (3364, 5941)]