18451940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70969}}^1$

素因数の和:70991

約数の個数: 24

約数和(自身を含む): 41730360

約数和(自身を除く): 23278420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70969, 141938, 283876, 354845, 709690, 922597, 1419380, 1845194, 3690388, 4612985, 9225970, 18451940]

約数ペア:

[(1, 18451940), (2, 9225970), (4, 4612985), (5, 3690388), (10, 1845194), (13, 1419380), (20, 922597), (26, 709690), (52, 354845), (65, 283876), (130, 141938), (260, 70969)]