19810088

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{13681}}^1$

素因数の和:13868

約数の個数: 16

約数和(自身を含む): 37351860

約数和(自身を除く): 17541772

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 13681, 27362, 54724, 109448, 2476261, 4952522, 9905044, 19810088]

約数ペア:

[(1, 19810088), (2, 9905044), (4, 4952522), (8, 2476261), (181, 109448), (362, 54724), (724, 27362), (1448, 13681)]