19764160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4751}}^1$

素因数の和:4781

約数の個数: 56

約数和(自身を含む): 50694336

約数和(自身を除く): 30930176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4751, 9502, 19004, 23755, 38008, 47510, 61763, 76016, 95020, 123526, 152032, 190040, 247052, 304064, 308815, 380080, 494104, 617630, 760160, 988208, 1235260, 1520320, 1976416, 2470520, 3952832, 4941040, 9882080, 19764160]

約数ペア:

[(1, 19764160), (2, 9882080), (4, 4941040), (5, 3952832), (8, 2470520), (10, 1976416), (13, 1520320), (16, 1235260), (20, 988208), (26, 760160), (32, 617630), (40, 494104), (52, 380080), (64, 308815), (65, 304064), (80, 247052), (104, 190040), (130, 152032), (160, 123526), (208, 95020), (260, 76016), (320, 61763), (416, 47510), (520, 38008), (832, 23755), (1040, 19004), (2080, 9502), (4160, 4751)]