18396540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{102203}}^1$

素因数の和:102218

約数の個数: 36

約数和(自身を含む): 55803384

約数和(自身を除く): 37406844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 102203, 204406, 306609, 408812, 511015, 613218, 919827, 1022030, 1226436, 1533045, 1839654, 2044060, 3066090, 3679308, 4599135, 6132180, 9198270, 18396540]

約数ペア:

[(1, 18396540), (2, 9198270), (3, 6132180), (4, 4599135), (5, 3679308), (6, 3066090), (9, 2044060), (10, 1839654), (12, 1533045), (15, 1226436), (18, 1022030), (20, 919827), (30, 613218), (36, 511015), (45, 408812), (60, 306609), (90, 204406), (180, 102203)]