18220278

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6949}}^1$

素因数の和:6996

約数の個数: 32

約数和(自身を含む): 40032000

約数和(自身を除く): 21811722

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 6949, 13898, 20847, 41694, 132031, 159827, 264062, 319654, 396093, 479481, 792186, 958962, 3036713, 6073426, 9110139, 18220278]

約数ペア:

[(1, 18220278), (2, 9110139), (3, 6073426), (6, 3036713), (19, 958962), (23, 792186), (38, 479481), (46, 396093), (57, 319654), (69, 264062), (114, 159827), (138, 132031), (437, 41694), (874, 20847), (1311, 13898), (2622, 6949)]