18231820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53623}}^1$

素因数の和:53649

約数の個数: 24

約数和(自身を含む): 40539744

約数和(自身を除く): 22307924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53623, 107246, 214492, 268115, 536230, 911591, 1072460, 1823182, 3646364, 4557955, 9115910, 18231820]

約数ペア:

[(1, 18231820), (2, 9115910), (4, 4557955), (5, 3646364), (10, 1823182), (17, 1072460), (20, 911591), (34, 536230), (68, 268115), (85, 214492), (170, 107246), (340, 53623)]