18871930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{24509}}^1$

素因数の和:24534

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 23481350

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 24509, 49018, 122545, 171563, 245090, 269599, 343126, 539198, 857815, 1347995, 1715630, 1887193, 2695990, 3774386, 9435965, 18871930]

約数ペア:

[(1, 18871930), (2, 9435965), (5, 3774386), (7, 2695990), (10, 1887193), (11, 1715630), (14, 1347995), (22, 857815), (35, 539198), (55, 343126), (70, 269599), (77, 245090), (110, 171563), (154, 122545), (385, 49018), (770, 24509)]