19981144

素因数分解:

$2^3\times {\mathrm{317}}^1\times {\mathrm{7879}}^1$

素因数の和:8202

約数の個数: 16

約数和(自身を含む): 37587600

約数和(自身を除く): 17606456

約数列:

[1, 2, 4, 8, 317, 634, 1268, 2536, 7879, 15758, 31516, 63032, 2497643, 4995286, 9990572, 19981144]

約数ペア:

[(1, 19981144), (2, 9990572), (4, 4995286), (8, 2497643), (317, 63032), (634, 31516), (1268, 15758), (2536, 7879)]