19934288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{593}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 42425856

約数和(自身を除く): 22491568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 191, 382, 593, 764, 1186, 1528, 2101, 2372, 3056, 4202, 4744, 6523, 8404, 9488, 13046, 16808, 26092, 33616, 52184, 104368, 113263, 226526, 453052, 906104, 1245893, 1812208, 2491786, 4983572, 9967144, 19934288]

約数ペア:

[(1, 19934288), (2, 9967144), (4, 4983572), (8, 2491786), (11, 1812208), (16, 1245893), (22, 906104), (44, 453052), (88, 226526), (176, 113263), (191, 104368), (382, 52184), (593, 33616), (764, 26092), (1186, 16808), (1528, 13046), (2101, 9488), (2372, 8404), (3056, 6523), (4202, 4744)]