18403020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5381}}^1$

素因数の和:5415

約数の個数: 72

約数和(自身を含む): 58771440

約数和(自身を除く): 40368420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5381, 10762, 16143, 21524, 26905, 32286, 48429, 53810, 64572, 80715, 96858, 102239, 107620, 161430, 193716, 204478, 242145, 306717, 322860, 408956, 484290, 511195, 613434, 920151, 968580, 1022390, 1226868, 1533585, 1840302, 2044780, 3067170, 3680604, 4600755, 6134340, 9201510, 18403020]

約数ペア:

[(1, 18403020), (2, 9201510), (3, 6134340), (4, 4600755), (5, 3680604), (6, 3067170), (9, 2044780), (10, 1840302), (12, 1533585), (15, 1226868), (18, 1022390), (19, 968580), (20, 920151), (30, 613434), (36, 511195), (38, 484290), (45, 408956), (57, 322860), (60, 306717), (76, 242145), (90, 204478), (95, 193716), (114, 161430), (171, 107620), (180, 102239), (190, 96858), (228, 80715), (285, 64572), (342, 53810), (380, 48429), (570, 32286), (684, 26905), (855, 21524), (1140, 16143), (1710, 10762), (3420, 5381)]