18939165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{569}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 34801920

約数和(自身を除く): 15862755

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 317, 569, 951, 1585, 1707, 2219, 2845, 3983, 4755, 6657, 8535, 11095, 11949, 19915, 33285, 59745, 180373, 541119, 901865, 1262611, 2705595, 3787833, 6313055, 18939165]

約数ペア:

[(1, 18939165), (3, 6313055), (5, 3787833), (7, 2705595), (15, 1262611), (21, 901865), (35, 541119), (105, 180373), (317, 59745), (569, 33285), (951, 19915), (1585, 11949), (1707, 11095), (2219, 8535), (2845, 6657), (3983, 4755)]