18176720

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3851}}^1$

素因数の和:3923

約数の個数: 40

約数和(自身を含む): 42988320

約数和(自身を除く): 24811600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 3851, 4720, 7702, 15404, 19255, 30808, 38510, 61616, 77020, 154040, 227209, 308080, 454418, 908836, 1136045, 1817672, 2272090, 3635344, 4544180, 9088360, 18176720]

約数ペア:

[(1, 18176720), (2, 9088360), (4, 4544180), (5, 3635344), (8, 2272090), (10, 1817672), (16, 1136045), (20, 908836), (40, 454418), (59, 308080), (80, 227209), (118, 154040), (236, 77020), (295, 61616), (472, 38510), (590, 30808), (944, 19255), (1180, 15404), (2360, 7702), (3851, 4720)]