19523768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1489}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 40230000

約数和(自身を除く): 20706232

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 1192, 1489, 1639, 2978, 3278, 5956, 6556, 11912, 13112, 16379, 32758, 65516, 131032, 221861, 443722, 887444, 1774888, 2440471, 4880942, 9761884, 19523768]

約数ペア:

[(1, 19523768), (2, 9761884), (4, 4880942), (8, 2440471), (11, 1774888), (22, 887444), (44, 443722), (88, 221861), (149, 131032), (298, 65516), (596, 32758), (1192, 16379), (1489, 13112), (1639, 11912), (2978, 6556), (3278, 5956)]