19838220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1567}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 55845888

約数和(自身を除く): 36007668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1567, 2110, 2532, 3134, 3165, 4220, 4701, 6268, 6330, 7835, 9402, 12660, 15670, 18804, 23505, 31340, 47010, 94020, 330637, 661274, 991911, 1322548, 1653185, 1983822, 3306370, 3967644, 4959555, 6612740, 9919110, 19838220]

約数ペア:

[(1, 19838220), (2, 9919110), (3, 6612740), (4, 4959555), (5, 3967644), (6, 3306370), (10, 1983822), (12, 1653185), (15, 1322548), (20, 991911), (30, 661274), (60, 330637), (211, 94020), (422, 47010), (633, 31340), (844, 23505), (1055, 18804), (1266, 15670), (1567, 12660), (2110, 9402), (2532, 7835), (3134, 6330), (3165, 6268), (4220, 4701)]