18654960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4126

約数の個数: 80

約数和(自身を含む): 60888960

約数和(自身を除く): 42234000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4091, 4560, 8182, 12273, 16364, 20455, 24546, 32728, 40910, 49092, 61365, 65456, 77729, 81820, 98184, 122730, 155458, 163640, 196368, 233187, 245460, 310916, 327280, 388645, 466374, 490920, 621832, 777290, 932748, 981840, 1165935, 1243664, 1554580, 1865496, 2331870, 3109160, 3730992, 4663740, 6218320, 9327480, 18654960]

約数ペア:

[(1, 18654960), (2, 9327480), (3, 6218320), (4, 4663740), (5, 3730992), (6, 3109160), (8, 2331870), (10, 1865496), (12, 1554580), (15, 1243664), (16, 1165935), (19, 981840), (20, 932748), (24, 777290), (30, 621832), (38, 490920), (40, 466374), (48, 388645), (57, 327280), (60, 310916), (76, 245460), (80, 233187), (95, 196368), (114, 163640), (120, 155458), (152, 122730), (190, 98184), (228, 81820), (240, 77729), (285, 65456), (304, 61365), (380, 49092), (456, 40910), (570, 32728), (760, 24546), (912, 20455), (1140, 16364), (1520, 12273), (2280, 8182), (4091, 4560)]