18914760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52541}}^1$

素因数の和:52558

約数の個数: 48

約数和(自身を含む): 61474140

約数和(自身を除く): 42559380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52541, 105082, 157623, 210164, 262705, 315246, 420328, 472869, 525410, 630492, 788115, 945738, 1050820, 1260984, 1576230, 1891476, 2101640, 2364345, 3152460, 3782952, 4728690, 6304920, 9457380, 18914760]

約数ペア:

[(1, 18914760), (2, 9457380), (3, 6304920), (4, 4728690), (5, 3782952), (6, 3152460), (8, 2364345), (9, 2101640), (10, 1891476), (12, 1576230), (15, 1260984), (18, 1050820), (20, 945738), (24, 788115), (30, 630492), (36, 525410), (40, 472869), (45, 420328), (60, 315246), (72, 262705), (90, 210164), (120, 157623), (180, 105082), (360, 52541)]