189831820

素因数分解:

$2^2\times 5^1\times {\mathrm{2237}}^1\times {\mathrm{4243}}^1$

素因数の和:6489

約数の個数: 24

約数和(自身を含む): 398919024

約数和(自身を除く): 209087204

約数列:

[1, 2, 4, 5, 10, 20, 2237, 4243, 4474, 8486, 8948, 11185, 16972, 21215, 22370, 42430, 44740, 84860, 9491591, 18983182, 37966364, 47457955, 94915910, 189831820]

約数ペア:

[(1, 189831820), (2, 94915910), (4, 47457955), (5, 37966364), (10, 18983182), (20, 9491591), (2237, 84860), (4243, 44740), (4474, 42430), (8486, 22370), (8948, 21215), (11185, 16972)]