30731930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{8513}}^1$

素因数の和:8558

約数の個数: 24

約数和(自身を含む): 58389012

約数和(自身を除く): 27657082

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 8513, 17026, 42565, 85130, 161747, 323494, 808735, 1617470, 3073193, 6146386, 15365965, 30731930]

約数ペア:

[(1, 30731930), (2, 15365965), (5, 6146386), (10, 3073193), (19, 1617470), (38, 808735), (95, 323494), (190, 161747), (361, 85130), (722, 42565), (1805, 17026), (3610, 8513)]