17917744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86143}}^1$

素因数の和:86164

約数の個数: 20

約数和(自身を含む): 37386496

約数和(自身を除く): 19468752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86143, 172286, 344572, 689144, 1119859, 1378288, 2239718, 4479436, 8958872, 17917744]

約数ペア:

[(1, 17917744), (2, 8958872), (4, 4479436), (8, 2239718), (13, 1378288), (16, 1119859), (26, 689144), (52, 344572), (104, 172286), (208, 86143)]