19065488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1383

約数の個数: 40

約数和(自身を含む): 40372416

約数和(自身を除く): 21306928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1291, 1846, 2582, 3692, 5164, 7384, 10328, 14768, 16783, 20656, 33566, 67132, 91661, 134264, 183322, 268528, 366644, 733288, 1191593, 1466576, 2383186, 4766372, 9532744, 19065488]

約数ペア:

[(1, 19065488), (2, 9532744), (4, 4766372), (8, 2383186), (13, 1466576), (16, 1191593), (26, 733288), (52, 366644), (71, 268528), (104, 183322), (142, 134264), (208, 91661), (284, 67132), (568, 33566), (923, 20656), (1136, 16783), (1291, 14768), (1846, 10328), (2582, 7384), (3692, 5164)]