19999832735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{7727}}^1$

素因数の和:8143

約数の個数: 32

約数和(自身を含む): 25479401472

約数和(自身を除く): 5479568737

約数列:

[1, 5, 23, 71, 115, 317, 355, 1585, 1633, 7291, 7727, 8165, 22507, 36455, 38635, 112535, 177721, 517661, 548617, 888605, 2449459, 2588305, 2743085, 12247295, 12618191, 56337557, 63090955, 173911589, 281687785, 869557945, 3999966547, 19999832735]

約数ペア:

[(1, 19999832735), (5, 3999966547), (23, 869557945), (71, 281687785), (115, 173911589), (317, 63090955), (355, 56337557), (1585, 12618191), (1633, 12247295), (7291, 2743085), (7727, 2588305), (8165, 2449459), (22507, 888605), (36455, 548617), (38635, 517661), (112535, 177721)]