18447158

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:703

約数の個数: 16

約数和(自身を含む): 28108080

約数和(自身を除く): 9660922

約数列:

[1, 2, 131, 181, 262, 362, 389, 778, 23711, 47422, 50959, 70409, 101918, 140818, 9223579, 18447158]

約数ペア:

[(1, 18447158), (2, 9223579), (131, 140818), (181, 101918), (262, 70409), (362, 50959), (389, 47422), (778, 23711)]