19618290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{217981}}^1$

素因数の和:217994

約数の個数: 24

約数和(自身を含む): 51007788

約数和(自身を除く): 31389498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 217981, 435962, 653943, 1089905, 1307886, 1961829, 2179810, 3269715, 3923658, 6539430, 9809145, 19618290]

約数ペア:

[(1, 19618290), (2, 9809145), (3, 6539430), (5, 3923658), (6, 3269715), (9, 2179810), (10, 1961829), (15, 1307886), (18, 1089905), (30, 653943), (45, 435962), (90, 217981)]