18629235

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 33662304

約数和(自身を除く): 15033069

約数列:

[1, 3, 5, 9, 15, 45, 53, 73, 107, 159, 219, 265, 321, 365, 477, 535, 657, 795, 963, 1095, 1605, 2385, 3285, 3869, 4815, 5671, 7811, 11607, 17013, 19345, 23433, 28355, 34821, 39055, 51039, 58035, 70299, 85065, 117165, 174105, 255195, 351495, 413983, 1241949, 2069915, 3725847, 6209745, 18629235]

約数ペア:

[(1, 18629235), (3, 6209745), (5, 3725847), (9, 2069915), (15, 1241949), (45, 413983), (53, 351495), (73, 255195), (107, 174105), (159, 117165), (219, 85065), (265, 70299), (321, 58035), (365, 51039), (477, 39055), (535, 34821), (657, 28355), (795, 23433), (963, 19345), (1095, 17013), (1605, 11607), (2385, 7811), (3285, 5671), (3869, 4815)]