18236492

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 32649120

約数和(自身を除く): 14412628

約数列:

[1, 2, 4, 71, 142, 157, 284, 314, 409, 628, 818, 1636, 11147, 22294, 29039, 44588, 58078, 64213, 116156, 128426, 256852, 4559123, 9118246, 18236492]

約数ペア:

[(1, 18236492), (2, 9118246), (4, 4559123), (71, 256852), (142, 128426), (157, 116156), (284, 64213), (314, 58078), (409, 44588), (628, 29039), (818, 22294), (1636, 11147)]