18980533

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 22421952

約数和(自身を除く): 3441419

約数列:

[1, 11, 13, 143, 331, 401, 3641, 4303, 4411, 5213, 47333, 57343, 132731, 1460041, 1725503, 18980533]

約数ペア:

[(1, 18980533), (11, 1725503), (13, 1460041), (143, 132731), (331, 57343), (401, 47333), (3641, 5213), (4303, 4411)]