19953465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{619}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 36664320

約数和(自身を除く): 16710855

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 307, 619, 921, 1535, 1857, 2149, 3095, 4333, 4605, 6447, 9285, 10745, 12999, 21665, 32235, 64995, 190033, 570099, 950165, 1330231, 2850495, 3990693, 6651155, 19953465]

約数ペア:

[(1, 19953465), (3, 6651155), (5, 3990693), (7, 2850495), (15, 1330231), (21, 950165), (35, 570099), (105, 190033), (307, 64995), (619, 32235), (921, 21665), (1535, 12999), (1857, 10745), (2149, 9285), (3095, 6447), (4333, 4605)]