19891352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{991}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 40414080

約数和(自身を除く): 20522728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193, 386, 772, 991, 1544, 1982, 2509, 3964, 5018, 7928, 10036, 12883, 20072, 25766, 51532, 103064, 191263, 382526, 765052, 1530104, 2486419, 4972838, 9945676, 19891352]

約数ペア:

[(1, 19891352), (2, 9945676), (4, 4972838), (8, 2486419), (13, 1530104), (26, 765052), (52, 382526), (104, 191263), (193, 103064), (386, 51532), (772, 25766), (991, 20072), (1544, 12883), (1982, 10036), (2509, 7928), (3964, 5018)]