17949978

素因数分解:

$2^1\times 3^3\times {\mathrm{491}}^1\times {\mathrm{677}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 40029120

約数和(自身を除く): 22079142

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 491, 677, 982, 1354, 1473, 2031, 2946, 4062, 4419, 6093, 8838, 12186, 13257, 18279, 26514, 36558, 332407, 664814, 997221, 1994442, 2991663, 5983326, 8974989, 17949978]

約数ペア:

[(1, 17949978), (2, 8974989), (3, 5983326), (6, 2991663), (9, 1994442), (18, 997221), (27, 664814), (54, 332407), (491, 36558), (677, 26514), (982, 18279), (1354, 13257), (1473, 12186), (2031, 8838), (2946, 6093), (4062, 4419)]