19939804

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2969}}^1$

素因数の和:3069

約数の個数: 24

約数和(自身を含む): 36923040

約数和(自身を除く): 16983236

約数列:

[1, 2, 4, 23, 46, 73, 92, 146, 292, 1679, 2969, 3358, 5938, 6716, 11876, 68287, 136574, 216737, 273148, 433474, 866948, 4984951, 9969902, 19939804]

約数ペア:

[(1, 19939804), (2, 9969902), (4, 4984951), (23, 866948), (46, 433474), (73, 273148), (92, 216737), (146, 136574), (292, 68287), (1679, 11876), (2969, 6716), (3358, 5938)]