18438805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 9762155

約数列:

[1, 5, 7, 11, 35, 47, 55, 77, 235, 329, 385, 517, 1019, 1645, 2585, 3619, 5095, 7133, 11209, 18095, 35665, 47893, 56045, 78463, 239465, 335251, 392315, 526823, 1676255, 2634115, 3687761, 18438805]

約数ペア:

[(1, 18438805), (5, 3687761), (7, 2634115), (11, 1676255), (35, 526823), (47, 392315), (55, 335251), (77, 239465), (235, 78463), (329, 56045), (385, 47893), (517, 35665), (1019, 18095), (1645, 11209), (2585, 7133), (3619, 5095)]