19980258

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 41259456

約数和(自身を除く): 21279198

約数列:

[1, 2, 3, 6, 53, 83, 106, 159, 166, 249, 318, 498, 757, 1514, 2271, 4399, 4542, 8798, 13197, 26394, 40121, 62831, 80242, 120363, 125662, 188493, 240726, 376986, 3330043, 6660086, 9990129, 19980258]

約数ペア:

[(1, 19980258), (2, 9990129), (3, 6660086), (6, 3330043), (53, 376986), (83, 240726), (106, 188493), (159, 125662), (166, 120363), (249, 80242), (318, 62831), (498, 40121), (757, 26394), (1514, 13197), (2271, 8798), (4399, 4542)]