20190118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2687}}^1$

素因数の和:2736

約数の個数: 24

約数和(自身を含む): 34659072

約数和(自身を除く): 14468954

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2687, 3757, 5374, 7514, 34931, 45679, 69862, 91358, 593827, 776543, 1187654, 1553086, 10095059, 20190118]

約数ペア:

[(1, 20190118), (2, 10095059), (13, 1553086), (17, 1187654), (26, 776543), (34, 593827), (221, 91358), (289, 69862), (442, 45679), (578, 34931), (2687, 7514), (3757, 5374)]