18859020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 37750260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 71, 76, 95, 114, 142, 190, 213, 228, 233, 284, 285, 355, 380, 426, 466, 570, 699, 710, 852, 932, 1065, 1140, 1165, 1349, 1398, 1420, 2130, 2330, 2698, 2796, 3495, 4047, 4260, 4427, 4660, 5396, 6745, 6990, 8094, 8854, 13281, 13490, 13980, 16188, 16543, 17708, 20235, 22135, 26562, 26980, 33086, 40470, 44270, 49629, 53124, 66172, 66405, 80940, 82715, 88540, 99258, 132810, 165430, 198516, 248145, 265620, 314317, 330860, 496290, 628634, 942951, 992580, 1257268, 1571585, 1885902, 3143170, 3771804, 4714755, 6286340, 9429510, 18859020]

約数ペア:

[(1, 18859020), (2, 9429510), (3, 6286340), (4, 4714755), (5, 3771804), (6, 3143170), (10, 1885902), (12, 1571585), (15, 1257268), (19, 992580), (20, 942951), (30, 628634), (38, 496290), (57, 330860), (60, 314317), (71, 265620), (76, 248145), (95, 198516), (114, 165430), (142, 132810), (190, 99258), (213, 88540), (228, 82715), (233, 80940), (284, 66405), (285, 66172), (355, 53124), (380, 49629), (426, 44270), (466, 40470), (570, 33086), (699, 26980), (710, 26562), (852, 22135), (932, 20235), (1065, 17708), (1140, 16543), (1165, 16188), (1349, 13980), (1398, 13490), (1420, 13281), (2130, 8854), (2330, 8094), (2698, 6990), (2796, 6745), (3495, 5396), (4047, 4660), (4260, 4427)]