19190395

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 9194885

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 713, 769, 805, 1085, 3565, 3845, 4991, 5383, 17687, 23839, 24955, 26915, 88435, 119195, 123809, 166873, 548297, 619045, 834365, 2741485, 3838079, 19190395]

約数ペア:

[(1, 19190395), (5, 3838079), (7, 2741485), (23, 834365), (31, 619045), (35, 548297), (115, 166873), (155, 123809), (161, 119195), (217, 88435), (713, 26915), (769, 24955), (805, 23839), (1085, 17687), (3565, 5383), (3845, 4991)]