19078455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 34087680

約数和(自身を除く): 15009225

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2689, 7095, 8067, 13445, 29579, 40335, 88737, 115627, 147895, 346881, 443685, 578135, 1271897, 1734405, 3815691, 6359485, 19078455]

約数ペア:

[(1, 19078455), (3, 6359485), (5, 3815691), (11, 1734405), (15, 1271897), (33, 578135), (43, 443685), (55, 346881), (129, 147895), (165, 115627), (215, 88737), (473, 40335), (645, 29579), (1419, 13445), (2365, 8067), (2689, 7095)]