19392640

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 46897560

約数和(自身を除く): 27504920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 193, 314, 320, 386, 628, 640, 772, 785, 965, 1256, 1544, 1570, 1930, 2512, 3088, 3140, 3860, 5024, 6176, 6280, 7720, 10048, 12352, 12560, 15440, 20096, 24704, 25120, 30301, 30880, 50240, 60602, 61760, 100480, 121204, 123520, 151505, 242408, 303010, 484816, 606020, 969632, 1212040, 1939264, 2424080, 3878528, 4848160, 9696320, 19392640]

約数ペア:

[(1, 19392640), (2, 9696320), (4, 4848160), (5, 3878528), (8, 2424080), (10, 1939264), (16, 1212040), (20, 969632), (32, 606020), (40, 484816), (64, 303010), (80, 242408), (128, 151505), (157, 123520), (160, 121204), (193, 100480), (314, 61760), (320, 60602), (386, 50240), (628, 30880), (640, 30301), (772, 25120), (785, 24704), (965, 20096), (1256, 15440), (1544, 12560), (1570, 12352), (1930, 10048), (2512, 7720), (3088, 6280), (3140, 6176), (3860, 5024)]