19897834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{14827}}^1$

素因数の和:14901

約数の個数: 16

約数和(自身を含む): 33096096

約数和(自身を除く): 13198262

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 14827, 29654, 163097, 326194, 904447, 1808894, 9948917, 19897834]

約数ペア:

[(1, 19897834), (2, 9948917), (11, 1808894), (22, 904447), (61, 326194), (122, 163097), (671, 29654), (1342, 14827)]