1981904

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{1277}}^1$

素因数の和:1382

約数の個数: 20

約数和(自身を含む): 3882564

約数和(自身を除く): 1900660

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1277, 1552, 2554, 5108, 10216, 20432, 123869, 247738, 495476, 990952, 1981904]

約数ペア:

[(1, 1981904), (2, 990952), (4, 495476), (8, 247738), (16, 123869), (97, 20432), (194, 10216), (388, 5108), (776, 2554), (1277, 1552)]