19886327965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1\times {\mathrm{22643}}^1$

素因数の和:23769

約数の個数: 32

約数和(自身を含む): 28485789696

約数和(自身を除く): 8599461731

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 1091, 5455, 7637, 22643, 25093, 38185, 113215, 125465, 158501, 175651, 520789, 792505, 878255, 2603945, 3645523, 18227615, 24703513, 123517565, 172924591, 568180799, 864622955, 2840903995, 3977265593, 19886327965]

約数ペア:

[(1, 19886327965), (5, 3977265593), (7, 2840903995), (23, 864622955), (35, 568180799), (115, 172924591), (161, 123517565), (805, 24703513), (1091, 18227615), (5455, 3645523), (7637, 2603945), (22643, 878255), (25093, 792505), (38185, 520789), (113215, 175651), (125465, 158501)]