18053960

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{863}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 40746240

約数和(自身を除く): 22692280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 863, 1046, 1726, 2092, 2615, 3452, 4184, 4315, 5230, 6904, 8630, 10460, 17260, 20920, 34520, 451349, 902698, 1805396, 2256745, 3610792, 4513490, 9026980, 18053960]

約数ペア:

[(1, 18053960), (2, 9026980), (4, 4513490), (5, 3610792), (8, 2256745), (10, 1805396), (20, 902698), (40, 451349), (523, 34520), (863, 20920), (1046, 17260), (1726, 10460), (2092, 8630), (2615, 6904), (3452, 5230), (4184, 4315)]