18498376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2143}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 37820160

約数和(自身を除く): 19321784

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2143, 2158, 4286, 4316, 8572, 8632, 17144, 27859, 55718, 111436, 177869, 222872, 355738, 711476, 1422952, 2312297, 4624594, 9249188, 18498376]

約数ペア:

[(1, 18498376), (2, 9249188), (4, 4624594), (8, 2312297), (13, 1422952), (26, 711476), (52, 355738), (83, 222872), (104, 177869), (166, 111436), (332, 55718), (664, 27859), (1079, 17144), (2143, 8632), (2158, 8572), (4286, 4316)]