18109140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43117}}^1$

素因数の和:43136

約数の個数: 48

約数和(自身を含む): 57950592

約数和(自身を除く): 39841452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43117, 86234, 129351, 172468, 215585, 258702, 301819, 431170, 517404, 603638, 646755, 862340, 905457, 1207276, 1293510, 1509095, 1810914, 2587020, 3018190, 3621828, 4527285, 6036380, 9054570, 18109140]

約数ペア:

[(1, 18109140), (2, 9054570), (3, 6036380), (4, 4527285), (5, 3621828), (6, 3018190), (7, 2587020), (10, 1810914), (12, 1509095), (14, 1293510), (15, 1207276), (20, 905457), (21, 862340), (28, 646755), (30, 603638), (35, 517404), (42, 431170), (60, 301819), (70, 258702), (84, 215585), (105, 172468), (140, 129351), (210, 86234), (420, 43117)]