19867912

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 38286720

約数和(自身を除く): 18418808

約数列:

[1, 2, 4, 8, 67, 101, 134, 202, 268, 367, 404, 536, 734, 808, 1468, 2936, 6767, 13534, 24589, 27068, 37067, 49178, 54136, 74134, 98356, 148268, 196712, 296536, 2483489, 4966978, 9933956, 19867912]

約数ペア:

[(1, 19867912), (2, 9933956), (4, 4966978), (8, 2483489), (67, 296536), (101, 196712), (134, 148268), (202, 98356), (268, 74134), (367, 54136), (404, 49178), (536, 37067), (734, 27068), (808, 24589), (1468, 13534), (2936, 6767)]