19193727

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{6977}}^1$

素因数の和:7118

約数の個数: 16

約数和(自身を含む): 29475072

約数和(自身を除く): 10281345

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 6977, 20931, 48839, 146517, 913987, 2741961, 6397909, 19193727]

約数ペア:

[(1, 19193727), (3, 6397909), (7, 2741961), (21, 913987), (131, 146517), (393, 48839), (917, 20931), (2751, 6977)]