18197732

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 38290560

約数和(自身を除く): 20092828

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 73, 116, 146, 203, 292, 307, 406, 511, 614, 812, 1022, 1228, 2044, 2117, 2149, 4234, 4298, 8468, 8596, 8903, 14819, 17806, 22411, 29638, 35612, 44822, 59276, 62321, 89644, 124642, 156877, 249284, 313754, 627508, 649919, 1299838, 2599676, 4549433, 9098866, 18197732]

約数ペア:

[(1, 18197732), (2, 9098866), (4, 4549433), (7, 2599676), (14, 1299838), (28, 649919), (29, 627508), (58, 313754), (73, 249284), (116, 156877), (146, 124642), (203, 89644), (292, 62321), (307, 59276), (406, 44822), (511, 35612), (614, 29638), (812, 22411), (1022, 17806), (1228, 14819), (2044, 8903), (2117, 8596), (2149, 8468), (4234, 4298)]