20191824

素因数分解:

$2^4\times 3^2\times {\mathrm{140221}}^1$

素因数の和:140235

約数の個数: 30

約数和(自身を含む): 56509466

約数和(自身を除く): 36317642

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140221, 280442, 420663, 560884, 841326, 1121768, 1261989, 1682652, 2243536, 2523978, 3365304, 5047956, 6730608, 10095912, 20191824]

約数ペア:

[(1, 20191824), (2, 10095912), (3, 6730608), (4, 5047956), (6, 3365304), (8, 2523978), (9, 2243536), (12, 1682652), (16, 1261989), (18, 1121768), (24, 841326), (36, 560884), (48, 420663), (72, 280442), (144, 140221)]