18903960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52511}}^1$

素因数の和:52528

約数の個数: 48

約数和(自身を含む): 61439040

約数和(自身を除く): 42535080

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, 52511, 105022, 157533, 210044, 262555, 315066, 420088, 472599, 525110, 630132, 787665, 945198, 1050220, 1260264, 1575330, 1890396, 2100440, 2362995, 3150660, 3780792, 4725990, 6301320, 9451980, 18903960]

約数ペア:

[(1, 18903960), (2, 9451980), (3, 6301320), (4, 4725990), (5, 3780792), (6, 3150660), (8, 2362995), (9, 2100440), (10, 1890396), (12, 1575330), (15, 1260264), (18, 1050220), (20, 945198), (24, 787665), (30, 630132), (36, 525110), (40, 472599), (45, 420088), (60, 315066), (72, 262555), (90, 210044), (120, 157533), (180, 105022), (360, 52511)]