18833740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 41981184

約数和(自身を除く): 23147444

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 821, 1147, 1642, 2294, 3284, 4105, 4588, 5735, 8210, 11470, 16420, 22940, 25451, 30377, 50902, 60754, 101804, 121508, 127255, 151885, 254510, 303770, 509020, 607540, 941687, 1883374, 3766748, 4708435, 9416870, 18833740]

約数ペア:

[(1, 18833740), (2, 9416870), (4, 4708435), (5, 3766748), (10, 1883374), (20, 941687), (31, 607540), (37, 509020), (62, 303770), (74, 254510), (124, 151885), (148, 127255), (155, 121508), (185, 101804), (310, 60754), (370, 50902), (620, 30377), (740, 25451), (821, 22940), (1147, 16420), (1642, 11470), (2294, 8210), (3284, 5735), (4105, 4588)]