19337445

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 15886107

約数列:

[1, 3, 5, 9, 15, 41, 45, 47, 123, 141, 205, 223, 235, 369, 423, 615, 669, 705, 1115, 1845, 1927, 2007, 2115, 3345, 5781, 9143, 9635, 10035, 10481, 17343, 27429, 28905, 31443, 45715, 52405, 82287, 86715, 94329, 137145, 157215, 411435, 429721, 471645, 1289163, 2148605, 3867489, 6445815, 19337445]

約数ペア:

[(1, 19337445), (3, 6445815), (5, 3867489), (9, 2148605), (15, 1289163), (41, 471645), (45, 429721), (47, 411435), (123, 157215), (141, 137145), (205, 94329), (223, 86715), (235, 82287), (369, 52405), (423, 45715), (615, 31443), (669, 28905), (705, 27429), (1115, 17343), (1845, 10481), (1927, 10035), (2007, 9635), (2115, 9143), (3345, 5781)]