18656008

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4217}}^1$

素因数の和:4309

約数の個数: 32

約数和(自身を含む): 40492800

約数和(自身を除く): 21836792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4217, 4424, 8434, 16868, 29519, 33736, 59038, 118076, 236152, 333143, 666286, 1332572, 2332001, 2665144, 4664002, 9328004, 18656008]

約数ペア:

[(1, 18656008), (2, 9328004), (4, 4664002), (7, 2665144), (8, 2332001), (14, 1332572), (28, 666286), (56, 333143), (79, 236152), (158, 118076), (316, 59038), (553, 33736), (632, 29519), (1106, 16868), (2212, 8434), (4217, 4424)]