19957218

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{195659}}^1$

素因数の和:195681

約数の個数: 16

約数和(自身を含む): 42262560

約数和(自身を除く): 22305342

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 195659, 391318, 586977, 1173954, 3326203, 6652406, 9978609, 19957218]

約数ペア:

[(1, 19957218), (2, 9978609), (3, 6652406), (6, 3326203), (17, 1173954), (34, 586977), (51, 391318), (102, 195659)]