18700504

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 17285096

約数列:

[1, 2, 4, 8, 67, 134, 139, 251, 268, 278, 502, 536, 556, 1004, 1112, 2008, 9313, 16817, 18626, 33634, 34889, 37252, 67268, 69778, 74504, 134536, 139556, 279112, 2337563, 4675126, 9350252, 18700504]

約数ペア:

[(1, 18700504), (2, 9350252), (4, 4675126), (8, 2337563), (67, 279112), (134, 139556), (139, 134536), (251, 74504), (268, 69778), (278, 67268), (502, 37252), (536, 34889), (556, 33634), (1004, 18626), (1112, 16817), (2008, 9313)]