1640976496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5397949}}^1$

素因数の和:5397976

約数の個数: 20

約数和(自身を含む): 3346729000

約数和(自身を除く): 1705752504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5397949, 10795898, 21591796, 43183592, 86367184, 102561031, 205122062, 410244124, 820488248, 1640976496]

約数ペア:

[(1, 1640976496), (2, 820488248), (4, 410244124), (8, 205122062), (16, 102561031), (19, 86367184), (38, 43183592), (76, 21591796), (152, 10795898), (304, 5397949)]