19725955197

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2541677}}^1$

素因数の和:2541892

約数の個数: 16

約数和(自身を含む): 28466793600

約数和(自身を除く): 8740838403

約数列:

[1, 3, 13, 39, 199, 597, 2587, 7761, 2541677, 7625031, 33041801, 99125403, 505793723, 1517381169, 6575318399, 19725955197]

約数ペア:

[(1, 19725955197), (3, 6575318399), (13, 1517381169), (39, 505793723), (199, 99125403), (597, 33041801), (2587, 7625031), (7761, 2541677)]