18705420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103919}}^1$

素因数の和:103934

約数の個数: 36

約数和(自身を含む): 56740320

約数和(自身を除く): 38034900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 103919, 207838, 311757, 415676, 519595, 623514, 935271, 1039190, 1247028, 1558785, 1870542, 2078380, 3117570, 3741084, 4676355, 6235140, 9352710, 18705420]

約数ペア:

[(1, 18705420), (2, 9352710), (3, 6235140), (4, 4676355), (5, 3741084), (6, 3117570), (9, 2078380), (10, 1870542), (12, 1558785), (15, 1247028), (18, 1039190), (20, 935271), (30, 623514), (36, 519595), (45, 415676), (60, 311757), (90, 207838), (180, 103919)]