19938230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153371}}^1$

素因数の和:153391

約数の個数: 16

約数和(自身を含む): 38649744

約数和(自身を除く): 18711514

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 153371, 306742, 766855, 1533710, 1993823, 3987646, 9969115, 19938230]

約数ペア:

[(1, 19938230), (2, 9969115), (5, 3987646), (10, 1993823), (13, 1533710), (26, 766855), (65, 306742), (130, 153371)]