18982276

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 34110720

約数和(自身を除く): 15128444

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 751, 1502, 3004, 6319, 12638, 25276, 53321, 66839, 106642, 133678, 213284, 267356, 4745569, 9491138, 18982276]

約数ペア:

[(1, 18982276), (2, 9491138), (4, 4745569), (71, 267356), (89, 213284), (142, 133678), (178, 106642), (284, 66839), (356, 53321), (751, 25276), (1502, 12638), (3004, 6319)]