19307920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14197}}^1$

素因数の和:14227

約数の個数: 40

約数和(自身を含む): 47534904

約数和(自身を除く): 28226984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14197, 28394, 56788, 70985, 113576, 141970, 227152, 241349, 283940, 482698, 567880, 965396, 1135760, 1206745, 1930792, 2413490, 3861584, 4826980, 9653960, 19307920]

約数ペア:

[(1, 19307920), (2, 9653960), (4, 4826980), (5, 3861584), (8, 2413490), (10, 1930792), (16, 1206745), (17, 1135760), (20, 965396), (34, 567880), (40, 482698), (68, 283940), (80, 241349), (85, 227152), (136, 141970), (170, 113576), (272, 70985), (340, 56788), (680, 28394), (1360, 14197)]