18981730

素因数分解:

$2^1\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1931}}^1$

素因数の和:2921

約数の個数: 16

約数和(自身を含む): 34219584

約数和(自身を除く): 15237854

約数列:

[1, 2, 5, 10, 983, 1931, 1966, 3862, 4915, 9655, 9830, 19310, 1898173, 3796346, 9490865, 18981730]

約数ペア:

[(1, 18981730), (2, 9490865), (5, 3796346), (10, 1898173), (983, 19310), (1931, 9830), (1966, 9655), (3862, 4915)]