19651569685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{20857}}^1$

素因数の和:21373

約数の個数: 32

約数和(自身を含む): 26479314432

約数和(自身を除く): 6827744747

約数列:

[1, 5, 11, 37, 55, 185, 407, 463, 2035, 2315, 5093, 17131, 20857, 25465, 85655, 104285, 188441, 229427, 771709, 942205, 1147135, 3858545, 8488799, 9656791, 42443995, 48283955, 106224701, 357301267, 531123505, 1786506335, 3930313937, 19651569685]

約数ペア:

[(1, 19651569685), (5, 3930313937), (11, 1786506335), (37, 531123505), (55, 357301267), (185, 106224701), (407, 48283955), (463, 42443995), (2035, 9656791), (2315, 8488799), (5093, 3858545), (17131, 1147135), (20857, 942205), (25465, 771709), (85655, 229427), (104285, 188441)]