18804584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 38748780

約数和(自身を除く): 19944196

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 101, 136, 148, 202, 296, 404, 629, 808, 1258, 1369, 1717, 2516, 2738, 3434, 3737, 5032, 5476, 6868, 7474, 10952, 13736, 14948, 23273, 29896, 46546, 63529, 93092, 127058, 138269, 186184, 254116, 276538, 508232, 553076, 1106152, 2350573, 4701146, 9402292, 18804584]

約数ペア:

[(1, 18804584), (2, 9402292), (4, 4701146), (8, 2350573), (17, 1106152), (34, 553076), (37, 508232), (68, 276538), (74, 254116), (101, 186184), (136, 138269), (148, 127058), (202, 93092), (296, 63529), (404, 46546), (629, 29896), (808, 23273), (1258, 14948), (1369, 13736), (1717, 10952), (2516, 7474), (2738, 6868), (3434, 5476), (3737, 5032)]