18813870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23227}}^1$

素因数の和:23246

約数の個数: 40

約数和(自身を含む): 50590584

約数和(自身を除く): 31776714

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 23227, 46454, 69681, 116135, 139362, 209043, 232270, 348405, 418086, 627129, 696810, 1045215, 1254258, 1881387, 2090430, 3135645, 3762774, 6271290, 9406935, 18813870]

約数ペア:

[(1, 18813870), (2, 9406935), (3, 6271290), (5, 3762774), (6, 3135645), (9, 2090430), (10, 1881387), (15, 1254258), (18, 1045215), (27, 696810), (30, 627129), (45, 418086), (54, 348405), (81, 232270), (90, 209043), (135, 139362), (162, 116135), (270, 69681), (405, 46454), (810, 23227)]