19331020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 42211008

約数和(自身を除く): 22879988

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 151, 173, 185, 302, 346, 370, 604, 692, 740, 755, 865, 1510, 1730, 3020, 3460, 5587, 6401, 11174, 12802, 22348, 25604, 26123, 27935, 32005, 52246, 55870, 64010, 104492, 111740, 128020, 130615, 261230, 522460, 966551, 1933102, 3866204, 4832755, 9665510, 19331020]

約数ペア:

[(1, 19331020), (2, 9665510), (4, 4832755), (5, 3866204), (10, 1933102), (20, 966551), (37, 522460), (74, 261230), (148, 130615), (151, 128020), (173, 111740), (185, 104492), (302, 64010), (346, 55870), (370, 52246), (604, 32005), (692, 27935), (740, 26123), (755, 25604), (865, 22348), (1510, 12802), (1730, 11174), (3020, 6401), (3460, 5587)]