15921968

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{10259}}^1$

素因数の和:10364

約数の個数: 20

約数和(自身を含む): 31169880

約数和(自身を除く): 15247912

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 10259, 20518, 41036, 82072, 164144, 995123, 1990246, 3980492, 7960984, 15921968]

約数ペア:

[(1, 15921968), (2, 7960984), (4, 3980492), (8, 1990246), (16, 995123), (97, 164144), (194, 82072), (388, 41036), (776, 20518), (1552, 10259)]