18373980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{821}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 51647904

約数和(自身を除く): 33273924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 373, 746, 821, 1119, 1492, 1642, 1865, 2238, 2463, 3284, 3730, 4105, 4476, 4926, 5595, 7460, 8210, 9852, 11190, 12315, 16420, 22380, 24630, 49260, 306233, 612466, 918699, 1224932, 1531165, 1837398, 3062330, 3674796, 4593495, 6124660, 9186990, 18373980]

約数ペア:

[(1, 18373980), (2, 9186990), (3, 6124660), (4, 4593495), (5, 3674796), (6, 3062330), (10, 1837398), (12, 1531165), (15, 1224932), (20, 918699), (30, 612466), (60, 306233), (373, 49260), (746, 24630), (821, 22380), (1119, 16420), (1492, 12315), (1642, 11190), (1865, 9852), (2238, 8210), (2463, 7460), (3284, 5595), (3730, 4926), (4105, 4476)]