19297840

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{521}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 45050688

約数和(自身を除く): 25752848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 521, 926, 1042, 1852, 2084, 2315, 2605, 3704, 4168, 4630, 5210, 7408, 8336, 9260, 10420, 18520, 20840, 37040, 41680, 241223, 482446, 964892, 1206115, 1929784, 2412230, 3859568, 4824460, 9648920, 19297840]

約数ペア:

[(1, 19297840), (2, 9648920), (4, 4824460), (5, 3859568), (8, 2412230), (10, 1929784), (16, 1206115), (20, 964892), (40, 482446), (80, 241223), (463, 41680), (521, 37040), (926, 20840), (1042, 18520), (1852, 10420), (2084, 9260), (2315, 8336), (2605, 7408), (3704, 5210), (4168, 4630)]