18942938

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 34318080

約数和(自身を除く): 15375142

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 661, 1246, 1322, 2047, 4094, 4627, 9254, 14329, 15203, 28658, 30406, 58829, 106421, 117658, 212842, 411803, 823606, 1353067, 2706134, 9471469, 18942938]

約数ペア:

[(1, 18942938), (2, 9471469), (7, 2706134), (14, 1353067), (23, 823606), (46, 411803), (89, 212842), (161, 117658), (178, 106421), (322, 58829), (623, 30406), (661, 28658), (1246, 15203), (1322, 14329), (2047, 9254), (4094, 4627)]