19934008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{827}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 19412552

約数列:

[1, 2, 4, 8, 23, 46, 92, 131, 184, 262, 524, 827, 1048, 1654, 3013, 3308, 6026, 6616, 12052, 19021, 24104, 38042, 76084, 108337, 152168, 216674, 433348, 866696, 2491751, 4983502, 9967004, 19934008]

約数ペア:

[(1, 19934008), (2, 9967004), (4, 4983502), (8, 2491751), (23, 866696), (46, 433348), (92, 216674), (131, 152168), (184, 108337), (262, 76084), (524, 38042), (827, 24104), (1048, 19021), (1654, 12052), (3013, 6616), (3308, 6026)]