18280730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 36958680

約数和(自身を除く): 18677950

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 373, 377, 746, 754, 845, 1690, 1865, 1885, 3730, 3770, 4849, 4901, 9698, 9802, 10817, 21634, 24245, 24505, 48490, 49010, 54085, 63037, 108170, 126074, 140621, 281242, 315185, 630370, 703105, 1406210, 1828073, 3656146, 9140365, 18280730]

約数ペア:

[(1, 18280730), (2, 9140365), (5, 3656146), (10, 1828073), (13, 1406210), (26, 703105), (29, 630370), (58, 315185), (65, 281242), (130, 140621), (145, 126074), (169, 108170), (290, 63037), (338, 54085), (373, 49010), (377, 48490), (746, 24505), (754, 24245), (845, 21634), (1690, 10817), (1865, 9802), (1885, 9698), (3730, 4901), (3770, 4849)]