19758168

素因数分解:

$2^3\times 3^4\times {\mathrm{30491}}^1$

素因数の和:30509

約数の個数: 40

約数和(自身を含む): 55342980

約数和(自身を除く): 35584812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30491, 60982, 91473, 121964, 182946, 243928, 274419, 365892, 548838, 731784, 823257, 1097676, 1646514, 2195352, 2469771, 3293028, 4939542, 6586056, 9879084, 19758168]

約数ペア:

[(1, 19758168), (2, 9879084), (3, 6586056), (4, 4939542), (6, 3293028), (8, 2469771), (9, 2195352), (12, 1646514), (18, 1097676), (24, 823257), (27, 731784), (36, 548838), (54, 365892), (72, 274419), (81, 243928), (108, 182946), (162, 121964), (216, 91473), (324, 60982), (648, 30491)]