19125920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10867}}^1$

素因数の和:10893

約数の個数: 48

約数和(自身を含む): 49297248

約数和(自身を除く): 30171328

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, 10867, 21734, 43468, 54335, 86936, 108670, 119537, 173872, 217340, 239074, 347744, 434680, 478148, 597685, 869360, 956296, 1195370, 1738720, 1912592, 2390740, 3825184, 4781480, 9562960, 19125920]

約数ペア:

[(1, 19125920), (2, 9562960), (4, 4781480), (5, 3825184), (8, 2390740), (10, 1912592), (11, 1738720), (16, 1195370), (20, 956296), (22, 869360), (32, 597685), (40, 478148), (44, 434680), (55, 347744), (80, 239074), (88, 217340), (110, 173872), (160, 119537), (176, 108670), (220, 86936), (352, 54335), (440, 43468), (880, 21734), (1760, 10867)]