19665204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3407}}^1$

素因数の和:3464

約数の個数: 48

約数和(自身を含む): 50765568

約数和(自身を除く): 31100364

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3407, 5772, 6814, 10221, 13628, 20442, 40884, 44291, 88582, 126059, 132873, 177164, 252118, 265746, 378177, 504236, 531492, 756354, 1512708, 1638767, 3277534, 4916301, 6555068, 9832602, 19665204]

約数ペア:

[(1, 19665204), (2, 9832602), (3, 6555068), (4, 4916301), (6, 3277534), (12, 1638767), (13, 1512708), (26, 756354), (37, 531492), (39, 504236), (52, 378177), (74, 265746), (78, 252118), (111, 177164), (148, 132873), (156, 126059), (222, 88582), (444, 44291), (481, 40884), (962, 20442), (1443, 13628), (1924, 10221), (2886, 6814), (3407, 5772)]