19697937

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15377}}^1$

素因数の和:15448

約数の個数: 16

約数和(自身を含む): 30509952

約数和(自身を除く): 10812015

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15377, 46131, 107639, 322917, 937997, 2813991, 6565979, 19697937]

約数ペア:

[(1, 19697937), (3, 6565979), (7, 2813991), (21, 937997), (61, 322917), (183, 107639), (427, 46131), (1281, 15377)]