19679205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1109}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 39000960

約数和(自身を除く): 19321755

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1109, 1183, 1365, 2535, 3327, 3549, 5545, 5915, 7763, 14417, 16635, 17745, 23289, 38815, 43251, 72085, 100919, 116445, 187421, 216255, 302757, 504595, 562263, 937105, 1311947, 1513785, 2811315, 3935841, 6559735, 19679205]

約数ペア:

[(1, 19679205), (3, 6559735), (5, 3935841), (7, 2811315), (13, 1513785), (15, 1311947), (21, 937105), (35, 562263), (39, 504595), (65, 302757), (91, 216255), (105, 187421), (169, 116445), (195, 100919), (273, 72085), (455, 43251), (507, 38815), (845, 23289), (1109, 17745), (1183, 16635), (1365, 14417), (2535, 7763), (3327, 5915), (3549, 5545)]