19399040

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1783}}^1$

素因数の和:1819

約数の個数: 64

約数和(自身を含む): 49131360

約数和(自身を除く): 29732320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1783, 2176, 2720, 3566, 5440, 7132, 8915, 10880, 14264, 17830, 28528, 30311, 35660, 57056, 60622, 71320, 114112, 121244, 142640, 151555, 228224, 242488, 285280, 303110, 484976, 570560, 606220, 969952, 1141120, 1212440, 1939904, 2424880, 3879808, 4849760, 9699520, 19399040]

約数ペア:

[(1, 19399040), (2, 9699520), (4, 4849760), (5, 3879808), (8, 2424880), (10, 1939904), (16, 1212440), (17, 1141120), (20, 969952), (32, 606220), (34, 570560), (40, 484976), (64, 303110), (68, 285280), (80, 242488), (85, 228224), (128, 151555), (136, 142640), (160, 121244), (170, 114112), (272, 71320), (320, 60622), (340, 57056), (544, 35660), (640, 30311), (680, 28528), (1088, 17830), (1360, 14264), (1783, 10880), (2176, 8915), (2720, 7132), (3566, 5440)]