19887315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5119}}^1$

素因数の和:5171

約数の個数: 32

約数和(自身を含む): 37355520

約数和(自身を除く): 17468205

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 5119, 15357, 25595, 35833, 76785, 107499, 179165, 189403, 537495, 568209, 947015, 1325821, 2841045, 3977463, 6629105, 19887315]

約数ペア:

[(1, 19887315), (3, 6629105), (5, 3977463), (7, 2841045), (15, 1325821), (21, 947015), (35, 568209), (37, 537495), (105, 189403), (111, 179165), (185, 107499), (259, 76785), (555, 35833), (777, 25595), (1295, 15357), (3885, 5119)]