19854842

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 35811072

約数和(自身を除く): 15956230

約数列:

[1, 2, 7, 14, 23, 46, 161, 197, 313, 322, 394, 626, 1379, 2191, 2758, 4382, 4531, 7199, 9062, 14398, 31717, 50393, 61661, 63434, 100786, 123322, 431627, 863254, 1418203, 2836406, 9927421, 19854842]

約数ペア:

[(1, 19854842), (2, 9927421), (7, 2836406), (14, 1418203), (23, 863254), (46, 431627), (161, 123322), (197, 100786), (313, 63434), (322, 61661), (394, 50393), (626, 31717), (1379, 14398), (2191, 9062), (2758, 7199), (4382, 4531)]