19421936

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:713

約数の個数: 40

約数和(自身を含む): 39774240

約数和(自身を除く): 20352304

約数列:

[1, 2, 4, 8, 16, 23, 46, 89, 92, 178, 184, 356, 368, 593, 712, 1186, 1424, 2047, 2372, 4094, 4744, 8188, 9488, 13639, 16376, 27278, 32752, 52777, 54556, 105554, 109112, 211108, 218224, 422216, 844432, 1213871, 2427742, 4855484, 9710968, 19421936]

約数ペア:

[(1, 19421936), (2, 9710968), (4, 4855484), (8, 2427742), (16, 1213871), (23, 844432), (46, 422216), (89, 218224), (92, 211108), (178, 109112), (184, 105554), (356, 54556), (368, 52777), (593, 32752), (712, 27278), (1186, 16376), (1424, 13639), (2047, 9488), (2372, 8188), (4094, 4744)]