18785580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28463}}^1$

素因数の和:28486

約数の個数: 48

約数和(自身を含む): 57383424

約数和(自身を除く): 38597844

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28463, 56926, 85389, 113852, 142315, 170778, 284630, 313093, 341556, 426945, 569260, 626186, 853890, 939279, 1252372, 1565465, 1707780, 1878558, 3130930, 3757116, 4696395, 6261860, 9392790, 18785580]

約数ペア:

[(1, 18785580), (2, 9392790), (3, 6261860), (4, 4696395), (5, 3757116), (6, 3130930), (10, 1878558), (11, 1707780), (12, 1565465), (15, 1252372), (20, 939279), (22, 853890), (30, 626186), (33, 569260), (44, 426945), (55, 341556), (60, 313093), (66, 284630), (110, 170778), (132, 142315), (165, 113852), (220, 85389), (330, 56926), (660, 28463)]