18939108

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{22229}}^1$

素因数の和:22307

約数の個数: 24

約数和(自身を含む): 44815680

約数和(自身を除く): 25876572

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 22229, 44458, 66687, 88916, 133374, 266748, 1578259, 3156518, 4734777, 6313036, 9469554, 18939108]

約数ペア:

[(1, 18939108), (2, 9469554), (3, 6313036), (4, 4734777), (6, 3156518), (12, 1578259), (71, 266748), (142, 133374), (213, 88916), (284, 66687), (426, 44458), (852, 22229)]