19636040

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3251}}^1$

素因数の和:3413

約数の個数: 32

約数和(自身を含む): 44487360

約数和(自身を除く): 24851320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3251, 6040, 6502, 13004, 16255, 26008, 32510, 65020, 130040, 490901, 981802, 1963604, 2454505, 3927208, 4909010, 9818020, 19636040]

約数ペア:

[(1, 19636040), (2, 9818020), (4, 4909010), (5, 3927208), (8, 2454505), (10, 1963604), (20, 981802), (40, 490901), (151, 130040), (302, 65020), (604, 32510), (755, 26008), (1208, 16255), (1510, 13004), (3020, 6502), (3251, 6040)]