18904677

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2741}}^1$

素因数の和:2785

約数の個数: 24

約数和(自身を含む): 29174880

約数和(自身を除く): 10270203

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 627, 2299, 2741, 6897, 8223, 30151, 52079, 90453, 156237, 331661, 572869, 994983, 1718607, 6301559, 18904677]

約数ペア:

[(1, 18904677), (3, 6301559), (11, 1718607), (19, 994983), (33, 572869), (57, 331661), (121, 156237), (209, 90453), (363, 52079), (627, 30151), (2299, 8223), (2741, 6897)]