19488700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2563

約数の個数: 72

約数和(自身を含む): 52746624

約数和(自身を除く): 33257924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2531, 3850, 5062, 7700, 10124, 12655, 17717, 25310, 27841, 35434, 50620, 55682, 63275, 70868, 88585, 111364, 126550, 139205, 177170, 194887, 253100, 278410, 354340, 389774, 442925, 556820, 696025, 779548, 885850, 974435, 1392050, 1771700, 1948870, 2784100, 3897740, 4872175, 9744350, 19488700]

約数ペア:

[(1, 19488700), (2, 9744350), (4, 4872175), (5, 3897740), (7, 2784100), (10, 1948870), (11, 1771700), (14, 1392050), (20, 974435), (22, 885850), (25, 779548), (28, 696025), (35, 556820), (44, 442925), (50, 389774), (55, 354340), (70, 278410), (77, 253100), (100, 194887), (110, 177170), (140, 139205), (154, 126550), (175, 111364), (220, 88585), (275, 70868), (308, 63275), (350, 55682), (385, 50620), (550, 35434), (700, 27841), (770, 25310), (1100, 17717), (1540, 12655), (1925, 10124), (2531, 7700), (3850, 5062)]