18676408

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 17248712

約数列:

[1, 2, 4, 8, 71, 131, 142, 251, 262, 284, 502, 524, 568, 1004, 1048, 2008, 9301, 17821, 18602, 32881, 35642, 37204, 65762, 71284, 74408, 131524, 142568, 263048, 2334551, 4669102, 9338204, 18676408]

約数ペア:

[(1, 18676408), (2, 9338204), (4, 4669102), (8, 2334551), (71, 263048), (131, 142568), (142, 131524), (251, 74408), (262, 71284), (284, 65762), (502, 37204), (524, 35642), (568, 32881), (1004, 18602), (1048, 17821), (2008, 9301)]