19821270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2551}}^1$

素因数の和:2605

約数の個数: 64

約数和(自身を含む): 55858176

約数和(自身を除く): 36036906

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2551, 2590, 3885, 5102, 7653, 7770, 12755, 15306, 17857, 25510, 35714, 38265, 53571, 76530, 89285, 94387, 107142, 178570, 188774, 267855, 283161, 471935, 535710, 566322, 660709, 943870, 1321418, 1415805, 1982127, 2831610, 3303545, 3964254, 6607090, 9910635, 19821270]

約数ペア:

[(1, 19821270), (2, 9910635), (3, 6607090), (5, 3964254), (6, 3303545), (7, 2831610), (10, 1982127), (14, 1415805), (15, 1321418), (21, 943870), (30, 660709), (35, 566322), (37, 535710), (42, 471935), (70, 283161), (74, 267855), (105, 188774), (111, 178570), (185, 107142), (210, 94387), (222, 89285), (259, 76530), (370, 53571), (518, 38265), (555, 35714), (777, 25510), (1110, 17857), (1295, 15306), (1554, 12755), (2551, 7770), (2590, 7653), (3885, 5102)]