18949206544

素因数分解:

$2^4\times {\mathrm{919}}^1\times {\mathrm{1288711}}^1$

素因数の和:1289638

約数の個数: 20

約数和(自身を含む): 36754066240

約数和(自身を除く): 17804859696

約数列:

[1, 2, 4, 8, 16, 919, 1838, 3676, 7352, 14704, 1288711, 2577422, 5154844, 10309688, 20619376, 1184325409, 2368650818, 4737301636, 9474603272, 18949206544]

約数ペア:

[(1, 18949206544), (2, 9474603272), (4, 4737301636), (8, 2368650818), (16, 1184325409), (919, 20619376), (1838, 10309688), (3676, 5154844), (7352, 2577422), (14704, 1288711)]