18886228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3709}}^1$

素因数の和:3799

約数の個数: 24

約数和(自身を含む): 35319200

約数和(自身を除く): 16432972

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 3709, 5092, 7418, 14836, 70471, 140942, 248503, 281884, 497006, 994012, 4721557, 9443114, 18886228]

約数ペア:

[(1, 18886228), (2, 9443114), (4, 4721557), (19, 994012), (38, 497006), (67, 281884), (76, 248503), (134, 140942), (268, 70471), (1273, 14836), (2546, 7418), (3709, 5092)]