15986762

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2186

約数の個数: 24

約数和(自身を含む): 27221376

約数和(自身を除く): 11234614

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 2131, 3751, 4262, 7502, 23441, 46882, 66061, 132122, 257851, 515702, 726671, 1453342, 7993381, 15986762]

約数ペア:

[(1, 15986762), (2, 7993381), (11, 1453342), (22, 726671), (31, 515702), (62, 257851), (121, 132122), (242, 66061), (341, 46882), (682, 23441), (2131, 7502), (3751, 4262)]