19659224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9949}}^1$

素因数の和:9987

約数の個数: 32

約数和(自身を含む): 41790000

約数和(自身を除く): 22130776

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9949, 19898, 39796, 79592, 129337, 189031, 258674, 378062, 517348, 756124, 1034696, 1512248, 2457403, 4914806, 9829612, 19659224]

約数ペア:

[(1, 19659224), (2, 9829612), (4, 4914806), (8, 2457403), (13, 1512248), (19, 1034696), (26, 756124), (38, 517348), (52, 378062), (76, 258674), (104, 189031), (152, 129337), (247, 79592), (494, 39796), (988, 19898), (1976, 9949)]