18212336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:597

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 19285264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 431, 556, 862, 1112, 1724, 2224, 2641, 3448, 5282, 6896, 8189, 10564, 16378, 21128, 32756, 42256, 59909, 65512, 119818, 131024, 239636, 479272, 958544, 1138271, 2276542, 4553084, 9106168, 18212336]

約数ペア:

[(1, 18212336), (2, 9106168), (4, 4553084), (8, 2276542), (16, 1138271), (19, 958544), (38, 479272), (76, 239636), (139, 131024), (152, 119818), (278, 65512), (304, 59909), (431, 42256), (556, 32756), (862, 21128), (1112, 16378), (1724, 10564), (2224, 8189), (2641, 6896), (3448, 5282)]