19792670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 36801216

約数和(自身を除く): 17008546

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 457, 610, 710, 914, 2285, 4331, 4570, 8662, 21655, 27877, 32447, 43310, 55754, 64894, 139385, 162235, 278770, 324470, 1979267, 3958534, 9896335, 19792670]

約数ペア:

[(1, 19792670), (2, 9896335), (5, 3958534), (10, 1979267), (61, 324470), (71, 278770), (122, 162235), (142, 139385), (305, 64894), (355, 55754), (457, 43310), (610, 32447), (710, 27877), (914, 21655), (2285, 8662), (4331, 4570)]