18175833

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 30024456

約数和(自身を除く): 11848623

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 351, 369, 421, 533, 1053, 1107, 1263, 1599, 3321, 3789, 4797, 5473, 11367, 14391, 16419, 17261, 34101, 43173, 49257, 51783, 147771, 155349, 224393, 443313, 466047, 673179, 1398141, 2019537, 6058611, 18175833]

約数ペア:

[(1, 18175833), (3, 6058611), (9, 2019537), (13, 1398141), (27, 673179), (39, 466047), (41, 443313), (81, 224393), (117, 155349), (123, 147771), (351, 51783), (369, 49257), (421, 43173), (533, 34101), (1053, 17261), (1107, 16419), (1263, 14391), (1599, 11367), (3321, 5473), (3789, 4797)]