19921070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{523}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 38822112

約数和(自身を除く): 18901042

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 293, 523, 586, 1046, 1465, 2615, 2930, 3809, 5230, 6799, 7618, 13598, 19045, 33995, 38090, 67990, 153239, 306478, 766195, 1532390, 1992107, 3984214, 9960535, 19921070]

約数ペア:

[(1, 19921070), (2, 9960535), (5, 3984214), (10, 1992107), (13, 1532390), (26, 766195), (65, 306478), (130, 153239), (293, 67990), (523, 38090), (586, 33995), (1046, 19045), (1465, 13598), (2615, 7618), (2930, 6799), (3809, 5230)]