19812908

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2269}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 36229200

約数和(自身を除く): 16416292

約数列:

[1, 2, 4, 37, 59, 74, 118, 148, 236, 2183, 2269, 4366, 4538, 8732, 9076, 83953, 133871, 167906, 267742, 335812, 535484, 4953227, 9906454, 19812908]

約数ペア:

[(1, 19812908), (2, 9906454), (4, 4953227), (37, 535484), (59, 335812), (74, 267742), (118, 167906), (148, 133871), (236, 83953), (2183, 9076), (2269, 8732), (4366, 4538)]