19211504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{92363}}^1$

素因数の和:92384

約数の個数: 20

約数和(自身を含む): 40085976

約数和(自身を除く): 20874472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 92363, 184726, 369452, 738904, 1200719, 1477808, 2401438, 4802876, 9605752, 19211504]

約数ペア:

[(1, 19211504), (2, 9605752), (4, 4802876), (8, 2401438), (13, 1477808), (16, 1200719), (26, 738904), (52, 369452), (104, 184726), (208, 92363)]