19288970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21673}}^1$

素因数の和:21769

約数の個数: 16

約数和(自身を含む): 35111880

約数和(自身を除く): 15822910

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21673, 43346, 108365, 216730, 1928897, 3857794, 9644485, 19288970]

約数ペア:

[(1, 19288970), (2, 9644485), (5, 3857794), (10, 1928897), (89, 216730), (178, 108365), (445, 43346), (890, 21673)]