19698440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25919}}^1$

素因数の和:25949

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 26957560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25919, 51838, 103676, 129595, 207352, 259190, 492461, 518380, 984922, 1036760, 1969844, 2462305, 3939688, 4924610, 9849220, 19698440]

約数ペア:

[(1, 19698440), (2, 9849220), (4, 4924610), (5, 3939688), (8, 2462305), (10, 1969844), (19, 1036760), (20, 984922), (38, 518380), (40, 492461), (76, 259190), (95, 207352), (152, 129595), (190, 103676), (380, 51838), (760, 25919)]