18410715

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 34238880

約数和(自身を除く): 15828165

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 353, 549, 855, 915, 1059, 1159, 1765, 2745, 3177, 3477, 5295, 5795, 6707, 10431, 15885, 17385, 20121, 21533, 33535, 52155, 60363, 64599, 100605, 107665, 193797, 301815, 322995, 409127, 968985, 1227381, 2045635, 3682143, 6136905, 18410715]

約数ペア:

[(1, 18410715), (3, 6136905), (5, 3682143), (9, 2045635), (15, 1227381), (19, 968985), (45, 409127), (57, 322995), (61, 301815), (95, 193797), (171, 107665), (183, 100605), (285, 64599), (305, 60363), (353, 52155), (549, 33535), (855, 21533), (915, 20121), (1059, 17385), (1159, 15885), (1765, 10431), (2745, 6707), (3177, 5795), (3477, 5295)]