18426818

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{787}}^1$

素因数の和:1321

約数の個数: 16

約数和(自身を含む): 28935360

約数和(自身を除く): 10508542

約数列:

[1, 2, 23, 46, 509, 787, 1018, 1574, 11707, 18101, 23414, 36202, 400583, 801166, 9213409, 18426818]

約数ペア:

[(1, 18426818), (2, 9213409), (23, 801166), (46, 400583), (509, 36202), (787, 23414), (1018, 18101), (1574, 11707)]