18965790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{210731}}^1$

素因数の和:210744

約数の個数: 24

約数和(自身を含む): 49311288

約数和(自身を除く): 30345498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 210731, 421462, 632193, 1053655, 1264386, 1896579, 2107310, 3160965, 3793158, 6321930, 9482895, 18965790]

約数ペア:

[(1, 18965790), (2, 9482895), (3, 6321930), (5, 3793158), (6, 3160965), (9, 2107310), (10, 1896579), (15, 1264386), (18, 1053655), (30, 632193), (45, 421462), (90, 210731)]