19087990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{18899}}^1$

素因数の和:19007

約数の個数: 16

約数和(自身を含む): 34700400

約数和(自身を除く): 15612410

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 18899, 37798, 94495, 188990, 1908799, 3817598, 9543995, 19087990]

約数ペア:

[(1, 19087990), (2, 9543995), (5, 3817598), (10, 1908799), (101, 188990), (202, 94495), (505, 37798), (1010, 18899)]