18947812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{787}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 35831936

約数和(自身を除く): 16884124

約数列:

[1, 2, 4, 13, 26, 52, 463, 787, 926, 1574, 1852, 3148, 6019, 10231, 12038, 20462, 24076, 40924, 364381, 728762, 1457524, 4736953, 9473906, 18947812]

約数ペア:

[(1, 18947812), (2, 9473906), (4, 4736953), (13, 1457524), (26, 728762), (52, 364381), (463, 40924), (787, 24076), (926, 20462), (1574, 12038), (1852, 10231), (3148, 6019)]