19601378

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{719}}^1$

素因数の和:1081

約数の個数: 16

約数和(自身を含む): 30222720

約数和(自身を除く): 10621342

約数列:

[1, 2, 43, 86, 317, 634, 719, 1438, 13631, 27262, 30917, 61834, 227923, 455846, 9800689, 19601378]

約数ペア:

[(1, 19601378), (2, 9800689), (43, 455846), (86, 227923), (317, 61834), (634, 30917), (719, 27262), (1438, 13631)]