18250904

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7949}}^1$

素因数の和:8003

約数の個数: 32

約数和(自身を含む): 40068000

約数和(自身を除く): 21817096

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 7949, 15898, 31796, 55643, 63592, 111286, 222572, 325909, 445144, 651818, 1303636, 2281363, 2607272, 4562726, 9125452, 18250904]

約数ペア:

[(1, 18250904), (2, 9125452), (4, 4562726), (7, 2607272), (8, 2281363), (14, 1303636), (28, 651818), (41, 445144), (56, 325909), (82, 222572), (164, 111286), (287, 63592), (328, 55643), (574, 31796), (1148, 15898), (2296, 7949)]