19395615

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 32679936

約数和(自身を除く): 13284321

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 787, 795, 1643, 2361, 3935, 4929, 8215, 11805, 24397, 24645, 41711, 73191, 121985, 125133, 208555, 365955, 625665, 1293041, 3879123, 6465205, 19395615]

約数ペア:

[(1, 19395615), (3, 6465205), (5, 3879123), (15, 1293041), (31, 625665), (53, 365955), (93, 208555), (155, 125133), (159, 121985), (265, 73191), (465, 41711), (787, 24645), (795, 24397), (1643, 11805), (2361, 8215), (3935, 4929)]