1979190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{21991}}^1$

素因数の和:22004

約数の個数: 24

約数和(自身を含む): 5146128

約数和(自身を除く): 3166938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 21991, 43982, 65973, 109955, 131946, 197919, 219910, 329865, 395838, 659730, 989595, 1979190]

約数ペア:

[(1, 1979190), (2, 989595), (3, 659730), (5, 395838), (6, 329865), (9, 219910), (10, 197919), (15, 131946), (18, 109955), (30, 65973), (45, 43982), (90, 21991)]