19565936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:993

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21681424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 863, 872, 1417, 1726, 1744, 2834, 3452, 5668, 6904, 11219, 11336, 13808, 22438, 22672, 44876, 89752, 94067, 179504, 188134, 376268, 752536, 1222871, 1505072, 2445742, 4891484, 9782968, 19565936]

約数ペア:

[(1, 19565936), (2, 9782968), (4, 4891484), (8, 2445742), (13, 1505072), (16, 1222871), (26, 752536), (52, 376268), (104, 188134), (109, 179504), (208, 94067), (218, 89752), (436, 44876), (863, 22672), (872, 22438), (1417, 13808), (1726, 11336), (1744, 11219), (2834, 6904), (3452, 5668)]