19634648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{643}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 40340160

約数和(自身を除く): 20705512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 347, 643, 694, 1286, 1388, 2572, 2776, 3817, 5144, 7073, 7634, 14146, 15268, 28292, 30536, 56584, 223121, 446242, 892484, 1784968, 2454331, 4908662, 9817324, 19634648]

約数ペア:

[(1, 19634648), (2, 9817324), (4, 4908662), (8, 2454331), (11, 1784968), (22, 892484), (44, 446242), (88, 223121), (347, 56584), (643, 30536), (694, 28292), (1286, 15268), (1388, 14146), (2572, 7634), (2776, 7073), (3817, 5144)]