19075940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73369}}^1$

素因数の和:73391

約数の個数: 24

約数和(自身を含む): 43141560

約数和(自身を除く): 24065620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73369, 146738, 293476, 366845, 733690, 953797, 1467380, 1907594, 3815188, 4768985, 9537970, 19075940]

約数ペア:

[(1, 19075940), (2, 9537970), (4, 4768985), (5, 3815188), (10, 1907594), (13, 1467380), (20, 953797), (26, 733690), (52, 366845), (65, 293476), (130, 146738), (260, 73369)]