18932120

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3613}}^1$

素因数の和:3755

約数の個数: 32

約数和(自身を含む): 42934320

約数和(自身を除く): 24002200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3613, 5240, 7226, 14452, 18065, 28904, 36130, 72260, 144520, 473303, 946606, 1893212, 2366515, 3786424, 4733030, 9466060, 18932120]

約数ペア:

[(1, 18932120), (2, 9466060), (4, 4733030), (5, 3786424), (8, 2366515), (10, 1893212), (20, 946606), (40, 473303), (131, 144520), (262, 72260), (524, 36130), (655, 28904), (1048, 18065), (1310, 14452), (2620, 7226), (3613, 5240)]