18978132

素因数分解:

$2^2\times 3^1\times {\mathrm{491}}^1\times {\mathrm{3221}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 44386272

約数和(自身を除く): 25408140

約数列:

[1, 2, 3, 4, 6, 12, 491, 982, 1473, 1964, 2946, 3221, 5892, 6442, 9663, 12884, 19326, 38652, 1581511, 3163022, 4744533, 6326044, 9489066, 18978132]

約数ペア:

[(1, 18978132), (2, 9489066), (3, 6326044), (4, 4744533), (6, 3163022), (12, 1581511), (491, 38652), (982, 19326), (1473, 12884), (1964, 9663), (2946, 6442), (3221, 5892)]