18289702940

素因数分解:

$2^2\times 5^1\times {\mathrm{16183}}^1\times {\mathrm{56509}}^1$

素因数の和:72701

約数の個数: 24

約数和(自身を含む): 38411429280

約数和(自身を除く): 20121726340

約数列:

[1, 2, 4, 5, 10, 20, 16183, 32366, 56509, 64732, 80915, 113018, 161830, 226036, 282545, 323660, 565090, 1130180, 914485147, 1828970294, 3657940588, 4572425735, 9144851470, 18289702940]

約数ペア:

[(1, 18289702940), (2, 9144851470), (4, 4572425735), (5, 3657940588), (10, 1828970294), (20, 914485147), (16183, 1130180), (32366, 565090), (56509, 323660), (64732, 282545), (80915, 226036), (113018, 161830)]