18685404

素因数分解:

$2^2\times 3^4\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:688

約数の個数: 60

約数和(自身を含む): 49417368

約数和(自身を除く): 30731964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 101, 108, 162, 202, 303, 324, 404, 571, 606, 909, 1142, 1212, 1713, 1818, 2284, 2727, 3426, 3636, 5139, 5454, 6852, 8181, 10278, 10908, 15417, 16362, 20556, 30834, 32724, 46251, 57671, 61668, 92502, 115342, 173013, 185004, 230684, 346026, 519039, 692052, 1038078, 1557117, 2076156, 3114234, 4671351, 6228468, 9342702, 18685404]

約数ペア:

[(1, 18685404), (2, 9342702), (3, 6228468), (4, 4671351), (6, 3114234), (9, 2076156), (12, 1557117), (18, 1038078), (27, 692052), (36, 519039), (54, 346026), (81, 230684), (101, 185004), (108, 173013), (162, 115342), (202, 92502), (303, 61668), (324, 57671), (404, 46251), (571, 32724), (606, 30834), (909, 20556), (1142, 16362), (1212, 15417), (1713, 10908), (1818, 10278), (2284, 8181), (2727, 6852), (3426, 5454), (3636, 5139)]