19389960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53861}}^1$

素因数の和:53878

約数の個数: 48

約数和(自身を含む): 63018540

約数和(自身を除く): 43628580

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, 53861, 107722, 161583, 215444, 269305, 323166, 430888, 484749, 538610, 646332, 807915, 969498, 1077220, 1292664, 1615830, 1938996, 2154440, 2423745, 3231660, 3877992, 4847490, 6463320, 9694980, 19389960]

約数ペア:

[(1, 19389960), (2, 9694980), (3, 6463320), (4, 4847490), (5, 3877992), (6, 3231660), (8, 2423745), (9, 2154440), (10, 1938996), (12, 1615830), (15, 1292664), (18, 1077220), (20, 969498), (24, 807915), (30, 646332), (36, 538610), (40, 484749), (45, 430888), (60, 323166), (72, 269305), (90, 215444), (120, 161583), (180, 107722), (360, 53861)]