18385980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1693}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 51795744

約数和(自身を除く): 33409764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1693, 1810, 2172, 2715, 3386, 3620, 5079, 5430, 6772, 8465, 10158, 10860, 16930, 20316, 25395, 33860, 50790, 101580, 306433, 612866, 919299, 1225732, 1532165, 1838598, 3064330, 3677196, 4596495, 6128660, 9192990, 18385980]

約数ペア:

[(1, 18385980), (2, 9192990), (3, 6128660), (4, 4596495), (5, 3677196), (6, 3064330), (10, 1838598), (12, 1532165), (15, 1225732), (20, 919299), (30, 612866), (60, 306433), (181, 101580), (362, 50790), (543, 33860), (724, 25395), (905, 20316), (1086, 16930), (1693, 10860), (1810, 10158), (2172, 8465), (2715, 6772), (3386, 5430), (3620, 5079)]