19109750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6949}}^1$

素因数の和:6977

約数の個数: 32

約数和(自身を含む): 39031200

約数和(自身を除く): 19921450

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 6949, 13898, 34745, 69490, 76439, 152878, 173725, 347450, 382195, 764390, 868625, 1737250, 1910975, 3821950, 9554875, 19109750]

約数ペア:

[(1, 19109750), (2, 9554875), (5, 3821950), (10, 1910975), (11, 1737250), (22, 868625), (25, 764390), (50, 382195), (55, 347450), (110, 173725), (125, 152878), (250, 76439), (275, 69490), (550, 34745), (1375, 13898), (2750, 6949)]