19712012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1283}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 36239616

約数和(自身を除く): 16527604

約数列:

[1, 2, 4, 23, 46, 92, 167, 334, 668, 1283, 2566, 3841, 5132, 7682, 15364, 29509, 59018, 118036, 214261, 428522, 857044, 4928003, 9856006, 19712012]

約数ペア:

[(1, 19712012), (2, 9856006), (4, 4928003), (23, 857044), (46, 428522), (92, 214261), (167, 118036), (334, 59018), (668, 29509), (1283, 15364), (2566, 7682), (3841, 5132)]