18647820

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1279}}^1$

素因数の和:1306

約数の個数: 84

約数和(自身を含む): 58759680

約数和(自身を除く): 40111860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1279, 1458, 1620, 2430, 2558, 2916, 3645, 3837, 4860, 5116, 6395, 7290, 7674, 11511, 12790, 14580, 15348, 19185, 23022, 25580, 34533, 38370, 46044, 57555, 69066, 76740, 103599, 115110, 138132, 172665, 207198, 230220, 310797, 345330, 414396, 517995, 621594, 690660, 932391, 1035990, 1243188, 1553985, 1864782, 2071980, 3107970, 3729564, 4661955, 6215940, 9323910, 18647820]

約数ペア:

[(1, 18647820), (2, 9323910), (3, 6215940), (4, 4661955), (5, 3729564), (6, 3107970), (9, 2071980), (10, 1864782), (12, 1553985), (15, 1243188), (18, 1035990), (20, 932391), (27, 690660), (30, 621594), (36, 517995), (45, 414396), (54, 345330), (60, 310797), (81, 230220), (90, 207198), (108, 172665), (135, 138132), (162, 115110), (180, 103599), (243, 76740), (270, 69066), (324, 57555), (405, 46044), (486, 38370), (540, 34533), (729, 25580), (810, 23022), (972, 19185), (1215, 15348), (1279, 14580), (1458, 12790), (1620, 11511), (2430, 7674), (2558, 7290), (2916, 6395), (3645, 5116), (3837, 4860)]