19005720910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{7013}}^1$

素因数の和:7449

約数の個数: 64

約数和(自身を含む): 37960441344

約数和(自身を除く): 18954720434

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 347, 355, 694, 710, 781, 1562, 1735, 3470, 3817, 3905, 7013, 7634, 7810, 14026, 19085, 24637, 35065, 38170, 49274, 70130, 77143, 123185, 154286, 246370, 271007, 385715, 497923, 542014, 771430, 995846, 1355035, 2433511, 2489615, 2710070, 4867022, 4979230, 5477153, 10954306, 12167555, 24335110, 26768621, 27385765, 53537242, 54771530, 133843105, 172779281, 267686210, 345558562, 863896405, 1727792810, 1900572091, 3801144182, 9502860455, 19005720910]

約数ペア:

[(1, 19005720910), (2, 9502860455), (5, 3801144182), (10, 1900572091), (11, 1727792810), (22, 863896405), (55, 345558562), (71, 267686210), (110, 172779281), (142, 133843105), (347, 54771530), (355, 53537242), (694, 27385765), (710, 26768621), (781, 24335110), (1562, 12167555), (1735, 10954306), (3470, 5477153), (3817, 4979230), (3905, 4867022), (7013, 2710070), (7634, 2489615), (7810, 2433511), (14026, 1355035), (19085, 995846), (24637, 771430), (35065, 542014), (38170, 497923), (49274, 385715), (70130, 271007), (77143, 246370), (123185, 154286)]