19189040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18451}}^1$

素因数の和:18477

約数の個数: 40

約数和(自身を含む): 48049008

約数和(自身を除く): 28859968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18451, 36902, 73804, 92255, 147608, 184510, 239863, 295216, 369020, 479726, 738040, 959452, 1199315, 1476080, 1918904, 2398630, 3837808, 4797260, 9594520, 19189040]

約数ペア:

[(1, 19189040), (2, 9594520), (4, 4797260), (5, 3837808), (8, 2398630), (10, 1918904), (13, 1476080), (16, 1199315), (20, 959452), (26, 738040), (40, 479726), (52, 369020), (65, 295216), (80, 239863), (104, 184510), (130, 147608), (208, 92255), (260, 73804), (520, 36902), (1040, 18451)]