18924430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{661}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 39084480

約数和(自身を除く): 20160050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 661, 818, 1322, 2045, 2863, 3305, 4090, 4627, 5726, 6610, 9254, 14315, 23135, 28630, 46270, 270349, 540698, 1351745, 1892443, 2703490, 3784886, 9462215, 18924430]

約数ペア:

[(1, 18924430), (2, 9462215), (5, 3784886), (7, 2703490), (10, 1892443), (14, 1351745), (35, 540698), (70, 270349), (409, 46270), (661, 28630), (818, 23135), (1322, 14315), (2045, 9254), (2863, 6610), (3305, 5726), (4090, 4627)]