18935115

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 33446400

約数和(自身を除く): 14511285

約数列:

[1, 3, 5, 15, 19, 29, 57, 79, 87, 95, 145, 237, 285, 395, 435, 551, 841, 1185, 1501, 1653, 2291, 2523, 2755, 4205, 4503, 6873, 7505, 8265, 11455, 12615, 15979, 22515, 34365, 43529, 47937, 66439, 79895, 130587, 199317, 217645, 239685, 332195, 652935, 996585, 1262341, 3787023, 6311705, 18935115]

約数ペア:

[(1, 18935115), (3, 6311705), (5, 3787023), (15, 1262341), (19, 996585), (29, 652935), (57, 332195), (79, 239685), (87, 217645), (95, 199317), (145, 130587), (237, 79895), (285, 66439), (395, 47937), (435, 43529), (551, 34365), (841, 22515), (1185, 15979), (1501, 12615), (1653, 11455), (2291, 8265), (2523, 7505), (2755, 6873), (4205, 4503)]