18789505

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 28491264

約数和(自身を除く): 9701759

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1373, 1955, 2737, 6865, 9611, 13685, 23341, 31579, 48055, 116705, 157895, 163387, 221053, 536843, 816935, 1105265, 2684215, 3757901, 18789505]

約数ペア:

[(1, 18789505), (5, 3757901), (7, 2684215), (17, 1105265), (23, 816935), (35, 536843), (85, 221053), (115, 163387), (119, 157895), (161, 116705), (391, 48055), (595, 31579), (805, 23341), (1373, 13685), (1955, 9611), (2737, 6865)]