18397740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1061}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 54773712

約数和(自身を除く): 36375972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1061, 1156, 1445, 1734, 2122, 2890, 3183, 3468, 4244, 4335, 5305, 5780, 6366, 8670, 10610, 12732, 15915, 17340, 18037, 21220, 31830, 36074, 54111, 63660, 72148, 90185, 108222, 180370, 216444, 270555, 306629, 360740, 541110, 613258, 919887, 1082220, 1226516, 1533145, 1839774, 3066290, 3679548, 4599435, 6132580, 9198870, 18397740]

約数ペア:

[(1, 18397740), (2, 9198870), (3, 6132580), (4, 4599435), (5, 3679548), (6, 3066290), (10, 1839774), (12, 1533145), (15, 1226516), (17, 1082220), (20, 919887), (30, 613258), (34, 541110), (51, 360740), (60, 306629), (68, 270555), (85, 216444), (102, 180370), (170, 108222), (204, 90185), (255, 72148), (289, 63660), (340, 54111), (510, 36074), (578, 31830), (867, 21220), (1020, 18037), (1061, 17340), (1156, 15915), (1445, 12732), (1734, 10610), (2122, 8670), (2890, 6366), (3183, 5780), (3468, 5305), (4244, 4335)]