19815672420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{134089}}^1$

素因数の和:134925

約数の個数: 72

約数和(自身を含む): 60181201080

約数和(自身を除く): 40365528660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 821, 1642, 2463, 3284, 4105, 4926, 7389, 8210, 9852, 12315, 14778, 16420, 24630, 29556, 36945, 49260, 73890, 134089, 147780, 268178, 402267, 536356, 670445, 804534, 1206801, 1340890, 1609068, 2011335, 2413602, 2681780, 4022670, 4827204, 6034005, 8045340, 12068010, 24136020, 110087069, 220174138, 330261207, 440348276, 550435345, 660522414, 990783621, 1100870690, 1321044828, 1651306035, 1981567242, 2201741380, 3302612070, 3963134484, 4953918105, 6605224140, 9907836210, 19815672420]

約数ペア:

[(1, 19815672420), (2, 9907836210), (3, 6605224140), (4, 4953918105), (5, 3963134484), (6, 3302612070), (9, 2201741380), (10, 1981567242), (12, 1651306035), (15, 1321044828), (18, 1100870690), (20, 990783621), (30, 660522414), (36, 550435345), (45, 440348276), (60, 330261207), (90, 220174138), (180, 110087069), (821, 24136020), (1642, 12068010), (2463, 8045340), (3284, 6034005), (4105, 4827204), (4926, 4022670), (7389, 2681780), (8210, 2413602), (9852, 2011335), (12315, 1609068), (14778, 1340890), (16420, 1206801), (24630, 804534), (29556, 670445), (36945, 536356), (49260, 402267), (73890, 268178), (134089, 147780)]