19929273

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1973}}^1$

素因数の和:2033

約数の個数: 32

約数和(自身を含む): 33605376

約数和(自身を除く): 13676103

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 1973, 3367, 5919, 10101, 13811, 25649, 41433, 73001, 76947, 179543, 219003, 511007, 538629, 949013, 1533021, 2847039, 6643091, 19929273]

約数ペア:

[(1, 19929273), (3, 6643091), (7, 2847039), (13, 1533021), (21, 949013), (37, 538629), (39, 511007), (91, 219003), (111, 179543), (259, 76947), (273, 73001), (481, 41433), (777, 25649), (1443, 13811), (1973, 10101), (3367, 5919)]