19913770

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 17317718

約数列:

[1, 2, 5, 10, 37, 74, 107, 185, 214, 370, 503, 535, 1006, 1070, 2515, 3959, 5030, 7918, 18611, 19795, 37222, 39590, 53821, 93055, 107642, 186110, 269105, 538210, 1991377, 3982754, 9956885, 19913770]

約数ペア:

[(1, 19913770), (2, 9956885), (5, 3982754), (10, 1991377), (37, 538210), (74, 269105), (107, 186110), (185, 107642), (214, 93055), (370, 53821), (503, 39590), (535, 37222), (1006, 19795), (1070, 18611), (2515, 7918), (3959, 5030)]