19111070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2536

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 18960226

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2447, 3905, 4894, 7810, 12235, 24470, 26917, 53834, 134585, 173737, 269170, 347474, 868685, 1737370, 1911107, 3822214, 9555535, 19111070]

約数ペア:

[(1, 19111070), (2, 9555535), (5, 3822214), (10, 1911107), (11, 1737370), (22, 868685), (55, 347474), (71, 269170), (110, 173737), (142, 134585), (355, 53834), (710, 26917), (781, 24470), (1562, 12235), (2447, 7810), (3905, 4894)]