18856590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1493}}^1$

素因数の和:1924

約数の個数: 32

約数和(自身を含む): 45393696

約数和(自身を除く): 26537106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 1493, 2105, 2526, 2986, 4210, 4479, 6315, 7465, 8958, 12630, 14930, 22395, 44790, 628553, 1257106, 1885659, 3142765, 3771318, 6285530, 9428295, 18856590]

約数ペア:

[(1, 18856590), (2, 9428295), (3, 6285530), (5, 3771318), (6, 3142765), (10, 1885659), (15, 1257106), (30, 628553), (421, 44790), (842, 22395), (1263, 14930), (1493, 12630), (2105, 8958), (2526, 7465), (2986, 6315), (4210, 4479)]