18919866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{450473}}^1$

素因数の和:450485

約数の個数: 16

約数和(自身を含む): 43245504

約数和(自身を除く): 24325638

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 450473, 900946, 1351419, 2702838, 3153311, 6306622, 9459933, 18919866]

約数ペア:

[(1, 18919866), (2, 9459933), (3, 6306622), (6, 3153311), (7, 2702838), (14, 1351419), (21, 900946), (42, 450473)]