18167930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 20152198

約数列:

[1, 2, 5, 10, 11, 22, 23, 43, 46, 55, 86, 110, 115, 167, 215, 230, 253, 334, 430, 473, 506, 835, 946, 989, 1265, 1670, 1837, 1978, 2365, 2530, 3674, 3841, 4730, 4945, 7181, 7682, 9185, 9890, 10879, 14362, 18370, 19205, 21758, 35905, 38410, 42251, 54395, 71810, 78991, 84502, 108790, 157982, 165163, 211255, 330326, 394955, 422510, 789910, 825815, 1651630, 1816793, 3633586, 9083965, 18167930]

約数ペア:

[(1, 18167930), (2, 9083965), (5, 3633586), (10, 1816793), (11, 1651630), (22, 825815), (23, 789910), (43, 422510), (46, 394955), (55, 330326), (86, 211255), (110, 165163), (115, 157982), (167, 108790), (215, 84502), (230, 78991), (253, 71810), (334, 54395), (430, 42251), (473, 38410), (506, 35905), (835, 21758), (946, 19205), (989, 18370), (1265, 14362), (1670, 10879), (1837, 9890), (1978, 9185), (2365, 7682), (2530, 7181), (3674, 4945), (3841, 4730)]