19490908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6991}}^1$

素因数の和:7053

約数の個数: 24

約数和(自身を含む): 37001664

約数和(自身を除く): 17510756

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 6991, 13982, 27964, 118847, 237694, 286631, 475388, 573262, 1146524, 4872727, 9745454, 19490908]

約数ペア:

[(1, 19490908), (2, 9745454), (4, 4872727), (17, 1146524), (34, 573262), (41, 475388), (68, 286631), (82, 237694), (164, 118847), (697, 27964), (1394, 13982), (2788, 6991)]