19062640

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 44550720

約数和(自身を除く): 25488080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 997, 1195, 1912, 1994, 2390, 3824, 3988, 4780, 4985, 7976, 9560, 9970, 15952, 19120, 19940, 39880, 79760, 238283, 476566, 953132, 1191415, 1906264, 2382830, 3812528, 4765660, 9531320, 19062640]

約数ペア:

[(1, 19062640), (2, 9531320), (4, 4765660), (5, 3812528), (8, 2382830), (10, 1906264), (16, 1191415), (20, 953132), (40, 476566), (80, 238283), (239, 79760), (478, 39880), (956, 19940), (997, 19120), (1195, 15952), (1912, 9970), (1994, 9560), (2390, 7976), (3824, 4985), (3988, 4780)]