19421235

素因数分解:

$3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{547}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 34721280

約数和(自身を除く): 15300045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 263, 547, 789, 1315, 1641, 2367, 2735, 3945, 4923, 7101, 8205, 11835, 14769, 24615, 35505, 73845, 143861, 431583, 719305, 1294749, 2157915, 3884247, 6473745, 19421235]

約数ペア:

[(1, 19421235), (3, 6473745), (5, 3884247), (9, 2157915), (15, 1294749), (27, 719305), (45, 431583), (135, 143861), (263, 73845), (547, 35505), (789, 24615), (1315, 14769), (1641, 11835), (2367, 8205), (2735, 7101), (3945, 4923)]