19944197

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 25789824

約数和(自身を除く): 5845627

約数列:

[1, 7, 13, 23, 91, 161, 169, 299, 733, 1183, 2093, 3887, 5131, 9529, 16859, 27209, 66703, 118013, 123877, 219167, 867139, 1534169, 2849171, 19944197]

約数ペア:

[(1, 19944197), (7, 2849171), (13, 1534169), (23, 867139), (91, 219167), (161, 123877), (169, 118013), (299, 66703), (733, 27209), (1183, 16859), (2093, 9529), (3887, 5131)]