19882835

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 29721600

約数和(自身を除く): 9838765

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 1031, 2755, 3857, 5155, 7217, 19285, 19589, 29899, 36085, 97945, 137123, 149495, 209293, 568081, 685615, 1046465, 2840405, 3976567, 19882835]

約数ペア:

[(1, 19882835), (5, 3976567), (7, 2840405), (19, 1046465), (29, 685615), (35, 568081), (95, 209293), (133, 149495), (145, 137123), (203, 97945), (551, 36085), (665, 29899), (1015, 19589), (1031, 19285), (2755, 7217), (3857, 5155)]