18670288

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12823}}^1$

素因数の和:12851

約数の個数: 40

約数和(自身を含む): 44524928

約数和(自身を除く): 25854640

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12823, 25646, 51292, 89761, 102584, 166699, 179522, 205168, 333398, 359044, 666796, 718088, 1166893, 1333592, 1436176, 2333786, 2667184, 4667572, 9335144, 18670288]

約数ペア:

[(1, 18670288), (2, 9335144), (4, 4667572), (7, 2667184), (8, 2333786), (13, 1436176), (14, 1333592), (16, 1166893), (26, 718088), (28, 666796), (52, 359044), (56, 333398), (91, 205168), (104, 179522), (112, 166699), (182, 102584), (208, 89761), (364, 51292), (728, 25646), (1456, 12823)]