18021962

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 14118838

約数列:

[1, 2, 7, 14, 47, 61, 94, 122, 329, 427, 449, 658, 854, 898, 2867, 3143, 5734, 6286, 20069, 21103, 27389, 40138, 42206, 54778, 147721, 191723, 295442, 383446, 1287283, 2574566, 9010981, 18021962]

約数ペア:

[(1, 18021962), (2, 9010981), (7, 2574566), (14, 1287283), (47, 383446), (61, 295442), (94, 191723), (122, 147721), (329, 54778), (427, 42206), (449, 40138), (658, 27389), (854, 21103), (898, 20069), (2867, 6286), (3143, 5734)]