18729106

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:618

約数の個数: 24

約数和(自身を含む): 31117212

約数和(自身を除く): 12388106

約数列:

[1, 2, 11, 22, 121, 193, 242, 386, 401, 802, 2123, 4246, 4411, 8822, 23353, 46706, 48521, 77393, 97042, 154786, 851323, 1702646, 9364553, 18729106]

約数ペア:

[(1, 18729106), (2, 9364553), (11, 1702646), (22, 851323), (121, 154786), (193, 97042), (242, 77393), (386, 48521), (401, 46706), (802, 23353), (2123, 8822), (4246, 4411)]