18780714

素因数分解:

$2^1\times 3^3\times {\mathrm{293}}^1\times {\mathrm{1187}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 23131926

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 293, 586, 879, 1187, 1758, 2374, 2637, 3561, 5274, 7122, 7911, 10683, 15822, 21366, 32049, 64098, 347791, 695582, 1043373, 2086746, 3130119, 6260238, 9390357, 18780714]

約数ペア:

[(1, 18780714), (2, 9390357), (3, 6260238), (6, 3130119), (9, 2086746), (18, 1043373), (27, 695582), (54, 347791), (293, 64098), (586, 32049), (879, 21366), (1187, 15822), (1758, 10683), (2374, 7911), (2637, 7122), (3561, 5274)]