418862018

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{20047}}^1$

素因数の和:20417

約数の個数: 16

約数和(自身を含む): 650517504

約数和(自身を除く): 231655486

約数列:

[1, 2, 31, 62, 337, 674, 10447, 20047, 20894, 40094, 621457, 1242914, 6755839, 13511678, 209431009, 418862018]

約数ペア:

[(1, 418862018), (2, 209431009), (31, 13511678), (62, 6755839), (337, 1242914), (674, 621457), (10447, 40094), (20047, 20894)]