19821307

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1571}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 22938624

約数和(自身を除く): 3117317

約数列:

[1, 11, 31, 37, 341, 407, 1147, 1571, 12617, 17281, 48701, 58127, 535711, 639397, 1801937, 19821307]

約数ペア:

[(1, 19821307), (11, 1801937), (31, 639397), (37, 535711), (341, 58127), (407, 48701), (1147, 17281), (1571, 12617)]