17620438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 12861482

約数列:

[1, 2, 11, 22, 23, 46, 97, 194, 253, 359, 506, 718, 1067, 2134, 2231, 3949, 4462, 7898, 8257, 16514, 24541, 34823, 49082, 69646, 90827, 181654, 383053, 766106, 800929, 1601858, 8810219, 17620438]

約数ペア:

[(1, 17620438), (2, 8810219), (11, 1601858), (22, 800929), (23, 766106), (46, 383053), (97, 181654), (194, 90827), (253, 69646), (359, 49082), (506, 34823), (718, 24541), (1067, 16514), (2134, 8257), (2231, 7898), (3949, 4462)]