19425395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2339}}^1$

素因数の和:2506

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 6183565

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2339, 8305, 11695, 25729, 128645, 353189, 1765945, 3885079, 19425395]

約数ペア:

[(1, 19425395), (5, 3885079), (11, 1765945), (55, 353189), (151, 128645), (755, 25729), (1661, 11695), (2339, 8305)]