19874091

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{2389}}^1$

素因数の和:2498

約数の個数: 16

約数和(自身を含む): 27532800

約数和(自身を除く): 7658709

約数列:

[1, 3, 47, 59, 141, 177, 2389, 2773, 7167, 8319, 112283, 140951, 336849, 422853, 6624697, 19874091]

約数ペア:

[(1, 19874091), (3, 6624697), (47, 422853), (59, 336849), (141, 140951), (177, 112283), (2389, 8319), (2773, 7167)]