18635988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3637}}^1$

素因数の和:3712

約数の個数: 48

約数和(自身を含む): 50524544

約数和(自身を除く): 31888556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 3637, 5124, 7274, 10911, 14548, 21822, 25459, 43644, 50918, 76377, 101836, 152754, 221857, 305508, 443714, 665571, 887428, 1331142, 1552999, 2662284, 3105998, 4658997, 6211996, 9317994, 18635988]

約数ペア:

[(1, 18635988), (2, 9317994), (3, 6211996), (4, 4658997), (6, 3105998), (7, 2662284), (12, 1552999), (14, 1331142), (21, 887428), (28, 665571), (42, 443714), (61, 305508), (84, 221857), (122, 152754), (183, 101836), (244, 76377), (366, 50918), (427, 43644), (732, 25459), (854, 21822), (1281, 14548), (1708, 10911), (2562, 7274), (3637, 5124)]