18252850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{431}}^1$

素因数の和:472

約数の個数: 72

約数和(自身を含む): 42747264

約数和(自身を除く): 24494414

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 121, 154, 175, 242, 275, 350, 385, 431, 550, 605, 770, 847, 862, 1210, 1694, 1925, 2155, 3017, 3025, 3850, 4235, 4310, 4741, 6034, 6050, 8470, 9482, 10775, 15085, 21175, 21550, 23705, 30170, 33187, 42350, 47410, 52151, 66374, 75425, 104302, 118525, 150850, 165935, 237050, 260755, 331870, 365057, 521510, 730114, 829675, 1303775, 1659350, 1825285, 2607550, 3650570, 9126425, 18252850]

約数ペア:

[(1, 18252850), (2, 9126425), (5, 3650570), (7, 2607550), (10, 1825285), (11, 1659350), (14, 1303775), (22, 829675), (25, 730114), (35, 521510), (50, 365057), (55, 331870), (70, 260755), (77, 237050), (110, 165935), (121, 150850), (154, 118525), (175, 104302), (242, 75425), (275, 66374), (350, 52151), (385, 47410), (431, 42350), (550, 33187), (605, 30170), (770, 23705), (847, 21550), (862, 21175), (1210, 15085), (1694, 10775), (1925, 9482), (2155, 8470), (3017, 6050), (3025, 6034), (3850, 4741), (4235, 4310)]