19254755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^2$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 25772208

約数和(自身を除く): 6517453

約数列:

[1, 5, 13, 43, 65, 83, 215, 415, 559, 1079, 2795, 3569, 5395, 6889, 17845, 34445, 46397, 89557, 231985, 296227, 447785, 1481135, 3850951, 19254755]

約数ペア:

[(1, 19254755), (5, 3850951), (13, 1481135), (43, 447785), (65, 296227), (83, 231985), (215, 89557), (415, 46397), (559, 34445), (1079, 17845), (2795, 6889), (3569, 5395)]