19464520

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1051}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 43931520

約数和(自身を除く): 24467000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1051, 1852, 2102, 2315, 3704, 4204, 4630, 5255, 8408, 9260, 10510, 18520, 21020, 42040, 486613, 973226, 1946452, 2433065, 3892904, 4866130, 9732260, 19464520]

約数ペア:

[(1, 19464520), (2, 9732260), (4, 4866130), (5, 3892904), (8, 2433065), (10, 1946452), (20, 973226), (40, 486613), (463, 42040), (926, 21020), (1051, 18520), (1852, 10510), (2102, 9260), (2315, 8408), (3704, 5255), (4204, 4630)]