18069220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69497}}^1$

素因数の和:69519

約数の個数: 24

約数和(自身を含む): 40864824

約数和(自身を除く): 22795604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69497, 138994, 277988, 347485, 694970, 903461, 1389940, 1806922, 3613844, 4517305, 9034610, 18069220]

約数ペア:

[(1, 18069220), (2, 9034610), (4, 4517305), (5, 3613844), (10, 1806922), (13, 1389940), (20, 903461), (26, 694970), (52, 347485), (65, 277988), (130, 138994), (260, 69497)]