18880452370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145234249}}^1$

素因数の和:145234269

約数の個数: 16

約数和(自身を含む): 36599031000

約数和(自身を除く): 17718578630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 145234249, 290468498, 726171245, 1452342490, 1888045237, 3776090474, 9440226185, 18880452370]

約数ペア:

[(1, 18880452370), (2, 9440226185), (5, 3776090474), (10, 1888045237), (13, 1452342490), (26, 726171245), (65, 290468498), (130, 145234249)]