19723535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 7371505

約数列:

[1, 5, 13, 23, 65, 79, 115, 167, 299, 395, 835, 1027, 1495, 1817, 2171, 3841, 5135, 9085, 10855, 13193, 19205, 23621, 49933, 65965, 118105, 171509, 249665, 303439, 857545, 1517195, 3944707, 19723535]

約数ペア:

[(1, 19723535), (5, 3944707), (13, 1517195), (23, 857545), (65, 303439), (79, 249665), (115, 171509), (167, 118105), (299, 65965), (395, 49933), (835, 23621), (1027, 19205), (1495, 13193), (1817, 10855), (2171, 9085), (3841, 5135)]