18157020245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{90901}}^1$

素因数の和:91365

約数の個数: 32

約数和(自身を含む): 26877903360

約数和(自身を除く): 8720883115

約数列:

[1, 5, 7, 13, 35, 65, 91, 439, 455, 2195, 3073, 5707, 15365, 28535, 39949, 90901, 199745, 454505, 636307, 1181713, 3181535, 5908565, 8271991, 39905539, 41359955, 199527695, 279338773, 518772007, 1396693865, 2593860035, 3631404049, 18157020245]

約数ペア:

[(1, 18157020245), (5, 3631404049), (7, 2593860035), (13, 1396693865), (35, 518772007), (65, 279338773), (91, 199527695), (439, 41359955), (455, 39905539), (2195, 8271991), (3073, 5908565), (5707, 3181535), (15365, 1181713), (28535, 636307), (39949, 454505), (90901, 199745)]