19655500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2069}}^1$

素因数の和:2107

約数の個数: 48

約数和(自身を含む): 45208800

約数和(自身を除く): 25553300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2069, 2375, 4138, 4750, 8276, 9500, 10345, 20690, 39311, 41380, 51725, 78622, 103450, 157244, 196555, 206900, 258625, 393110, 517250, 786220, 982775, 1034500, 1965550, 3931100, 4913875, 9827750, 19655500]

約数ペア:

[(1, 19655500), (2, 9827750), (4, 4913875), (5, 3931100), (10, 1965550), (19, 1034500), (20, 982775), (25, 786220), (38, 517250), (50, 393110), (76, 258625), (95, 206900), (100, 196555), (125, 157244), (190, 103450), (250, 78622), (380, 51725), (475, 41380), (500, 39311), (950, 20690), (1900, 10345), (2069, 9500), (2375, 8276), (4138, 4750)]