18411608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1361}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 36774000

約数和(自身を除く): 18362392

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1361, 1691, 2722, 3382, 5444, 6764, 10888, 13528, 25859, 51718, 103436, 121129, 206872, 242258, 484516, 969032, 2301451, 4602902, 9205804, 18411608]

約数ペア:

[(1, 18411608), (2, 9205804), (4, 4602902), (8, 2301451), (19, 969032), (38, 484516), (76, 242258), (89, 206872), (152, 121129), (178, 103436), (356, 51718), (712, 25859), (1361, 13528), (1691, 10888), (2722, 6764), (3382, 5444)]