19517984

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{1153}}^1$

素因数の和:1209

約数の個数: 36

約数和(自身を含む): 40204206

約数和(自身を除く): 20686222

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 529, 736, 1058, 1153, 2116, 2306, 4232, 4612, 8464, 9224, 16928, 18448, 26519, 36896, 53038, 106076, 212152, 424304, 609937, 848608, 1219874, 2439748, 4879496, 9758992, 19517984]

約数ペア:

[(1, 19517984), (2, 9758992), (4, 4879496), (8, 2439748), (16, 1219874), (23, 848608), (32, 609937), (46, 424304), (92, 212152), (184, 106076), (368, 53038), (529, 36896), (736, 26519), (1058, 18448), (1153, 16928), (2116, 9224), (2306, 8464), (4232, 4612)]