18768440

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{773}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 23584840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 773, 1214, 1546, 2428, 3035, 3092, 3865, 4856, 6070, 6184, 7730, 12140, 15460, 24280, 30920, 469211, 938422, 1876844, 2346055, 3753688, 4692110, 9384220, 18768440]

約数ペア:

[(1, 18768440), (2, 9384220), (4, 4692110), (5, 3753688), (8, 2346055), (10, 1876844), (20, 938422), (40, 469211), (607, 30920), (773, 24280), (1214, 15460), (1546, 12140), (2428, 7730), (3035, 6184), (3092, 6070), (3865, 4856)]