19631984

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{6779}}^1$

素因数の和:6968

約数の個数: 20

約数和(自身を含む): 38252760

約数和(自身を除く): 18620776

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 6779, 13558, 27116, 54232, 108464, 1226999, 2453998, 4907996, 9815992, 19631984]

約数ペア:

[(1, 19631984), (2, 9815992), (4, 4907996), (8, 2453998), (16, 1226999), (181, 108464), (362, 54232), (724, 27116), (1448, 13558), (2896, 6779)]