18943208

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 36408000

約数和(自身を除く): 17464792

約数列:

[1, 2, 4, 8, 73, 146, 163, 199, 292, 326, 398, 584, 652, 796, 1304, 1592, 11899, 14527, 23798, 29054, 32437, 47596, 58108, 64874, 95192, 116216, 129748, 259496, 2367901, 4735802, 9471604, 18943208]

約数ペア:

[(1, 18943208), (2, 9471604), (4, 4735802), (8, 2367901), (73, 259496), (146, 129748), (163, 116216), (199, 95192), (292, 64874), (326, 58108), (398, 47596), (584, 32437), (652, 29054), (796, 23798), (1304, 14527), (1592, 11899)]