18945720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52627}}^1$

素因数の和:52644

約数の個数: 48

約数和(自身を含む): 61574760

約数和(自身を除く): 42629040

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, 52627, 105254, 157881, 210508, 263135, 315762, 421016, 473643, 526270, 631524, 789405, 947286, 1052540, 1263048, 1578810, 1894572, 2105080, 2368215, 3157620, 3789144, 4736430, 6315240, 9472860, 18945720]

約数ペア:

[(1, 18945720), (2, 9472860), (3, 6315240), (4, 4736430), (5, 3789144), (6, 3157620), (8, 2368215), (9, 2105080), (10, 1894572), (12, 1578810), (15, 1263048), (18, 1052540), (20, 947286), (24, 789405), (30, 631524), (36, 526270), (40, 473643), (45, 421016), (60, 315762), (72, 263135), (90, 210508), (120, 157881), (180, 105254), (360, 52627)]