19729545

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 34784640

約数和(自身を除く): 15055095

約数列:

[1, 3, 5, 11, 15, 33, 55, 109, 165, 327, 545, 1097, 1199, 1635, 3291, 3597, 5485, 5995, 12067, 16455, 17985, 36201, 60335, 119573, 181005, 358719, 597865, 1315303, 1793595, 3945909, 6576515, 19729545]

約数ペア:

[(1, 19729545), (3, 6576515), (5, 3945909), (11, 1793595), (15, 1315303), (33, 597865), (55, 358719), (109, 181005), (165, 119573), (327, 60335), (545, 36201), (1097, 17985), (1199, 16455), (1635, 12067), (3291, 5995), (3597, 5485)]