19270240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10949}}^1$

素因数の和:10975

約数の個数: 48

約数和(自身を含む): 49669200

約数和(自身を除く): 30398960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10949, 21898, 43796, 54745, 87592, 109490, 120439, 175184, 218980, 240878, 350368, 437960, 481756, 602195, 875920, 963512, 1204390, 1751840, 1927024, 2408780, 3854048, 4817560, 9635120, 19270240]

約数ペア:

[(1, 19270240), (2, 9635120), (4, 4817560), (5, 3854048), (8, 2408780), (10, 1927024), (11, 1751840), (16, 1204390), (20, 963512), (22, 875920), (32, 602195), (40, 481756), (44, 437960), (55, 350368), (80, 240878), (88, 218980), (110, 175184), (160, 120439), (176, 109490), (220, 87592), (352, 54745), (440, 43796), (880, 21898), (1760, 10949)]