19830250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7211}}^1$

素因数の和:7239

約数の個数: 32

約数和(自身を含む): 40502592

約数和(自身を除く): 20672342

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7211, 14422, 36055, 72110, 79321, 158642, 180275, 360550, 396605, 793210, 901375, 1802750, 1983025, 3966050, 9915125, 19830250]

約数ペア:

[(1, 19830250), (2, 9915125), (5, 3966050), (10, 1983025), (11, 1802750), (22, 901375), (25, 793210), (50, 396605), (55, 360550), (110, 180275), (125, 158642), (250, 79321), (275, 72110), (550, 36055), (1375, 14422), (2750, 7211)]