19939360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:978

約数の個数: 96

約数和(自身を含む): 56730240

約数和(自身を除く): 36790880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 937, 1064, 1120, 1330, 1520, 1874, 2128, 2660, 3040, 3748, 4256, 4685, 5320, 6559, 7496, 9370, 10640, 13118, 14992, 17803, 18740, 21280, 26236, 29984, 32795, 35606, 37480, 52472, 65590, 71212, 74960, 89015, 104944, 124621, 131180, 142424, 149920, 178030, 209888, 249242, 262360, 284848, 356060, 498484, 524720, 569696, 623105, 712120, 996968, 1049440, 1246210, 1424240, 1993936, 2492420, 2848480, 3987872, 4984840, 9969680, 19939360]

約数ペア:

[(1, 19939360), (2, 9969680), (4, 4984840), (5, 3987872), (7, 2848480), (8, 2492420), (10, 1993936), (14, 1424240), (16, 1246210), (19, 1049440), (20, 996968), (28, 712120), (32, 623105), (35, 569696), (38, 524720), (40, 498484), (56, 356060), (70, 284848), (76, 262360), (80, 249242), (95, 209888), (112, 178030), (133, 149920), (140, 142424), (152, 131180), (160, 124621), (190, 104944), (224, 89015), (266, 74960), (280, 71212), (304, 65590), (380, 52472), (532, 37480), (560, 35606), (608, 32795), (665, 29984), (760, 26236), (937, 21280), (1064, 18740), (1120, 17803), (1330, 14992), (1520, 13118), (1874, 10640), (2128, 9370), (2660, 7496), (3040, 6559), (3748, 5320), (4256, 4685)]