19404645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 14270619

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 521, 573, 955, 1563, 2483, 2605, 2865, 6773, 7449, 7815, 12415, 20319, 33865, 37245, 99511, 101595, 298533, 497555, 1293643, 1492665, 3880929, 6468215, 19404645]

約数ペア:

[(1, 19404645), (3, 6468215), (5, 3880929), (13, 1492665), (15, 1293643), (39, 497555), (65, 298533), (191, 101595), (195, 99511), (521, 37245), (573, 33865), (955, 20319), (1563, 12415), (2483, 7815), (2605, 7449), (2865, 6773)]