19685648

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{1867}}^1$

素因数の和:2534

約数の個数: 20

約数和(自身を含む): 38219280

約数和(自身を除く): 18533632

約数列:

[1, 2, 4, 8, 16, 659, 1318, 1867, 2636, 3734, 5272, 7468, 10544, 14936, 29872, 1230353, 2460706, 4921412, 9842824, 19685648]

約数ペア:

[(1, 19685648), (2, 9842824), (4, 4921412), (8, 2460706), (16, 1230353), (659, 29872), (1318, 14936), (1867, 10544), (2636, 7468), (3734, 5272)]