19645090

素因数分解:

$2^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{4243}}^1$

素因数の和:4713

約数の個数: 16

約数和(自身を含む): 35445888

約数和(自身を除く): 15800798

約数列:

[1, 2, 5, 10, 463, 926, 2315, 4243, 4630, 8486, 21215, 42430, 1964509, 3929018, 9822545, 19645090]

約数ペア:

[(1, 19645090), (2, 9822545), (5, 3929018), (10, 1964509), (463, 42430), (926, 21215), (2315, 8486), (4243, 4630)]