19541918896

素因数分解:

$2^4\times {\mathrm{1697}}^1\times {\mathrm{719723}}^1$

素因数の和:721428

約数の個数: 20

約数和(自身を含む): 37884831912

約数和(自身を除く): 18342913016

約数列:

[1, 2, 4, 8, 16, 1697, 3394, 6788, 13576, 27152, 719723, 1439446, 2878892, 5757784, 11515568, 1221369931, 2442739862, 4885479724, 9770959448, 19541918896]

約数ペア:

[(1, 19541918896), (2, 9770959448), (4, 4885479724), (8, 2442739862), (16, 1221369931), (1697, 11515568), (3394, 5757784), (6788, 2878892), (13576, 1439446), (27152, 719723)]