18733462

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:612

約数の個数: 24

約数和(自身を含む): 31122000

約数和(自身を除く): 12388538

約数列:

[1, 2, 11, 22, 121, 199, 242, 389, 398, 778, 2189, 4279, 4378, 8558, 24079, 47069, 48158, 77411, 94138, 154822, 851521, 1703042, 9366731, 18733462]

約数ペア:

[(1, 18733462), (2, 9366731), (11, 1703042), (22, 851521), (121, 154822), (199, 94138), (242, 77411), (389, 48158), (398, 47069), (778, 24079), (2189, 8558), (4279, 4378)]