18965572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{971}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 35108640

約数和(自身を除く): 16143068

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 971, 1028, 1942, 3884, 4883, 9766, 18449, 19532, 36898, 73796, 249547, 499094, 998188, 4741393, 9482786, 18965572]

約数ペア:

[(1, 18965572), (2, 9482786), (4, 4741393), (19, 998188), (38, 499094), (76, 249547), (257, 73796), (514, 36898), (971, 19532), (1028, 18449), (1942, 9766), (3884, 4883)]