18929121808

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51437831}}^1$

素因数の和:51437862

約数の個数: 20

約数和(自身を含む): 38269747008

約数和(自身を除く): 19340625200

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51437831, 102875662, 205751324, 411502648, 823005296, 1183070113, 2366140226, 4732280452, 9464560904, 18929121808]

約数ペア:

[(1, 18929121808), (2, 9464560904), (4, 4732280452), (8, 2366140226), (16, 1183070113), (23, 823005296), (46, 411502648), (92, 205751324), (184, 102875662), (368, 51437831)]