18016980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6389}}^1$

素因数の和:6448

約数の個数: 48

約数和(自身を含む): 51528960

約数和(自身を除く): 33511980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 6389, 12778, 19167, 25556, 31945, 38334, 63890, 76668, 95835, 127780, 191670, 300283, 383340, 600566, 900849, 1201132, 1501415, 1801698, 3002830, 3603396, 4504245, 6005660, 9008490, 18016980]

約数ペア:

[(1, 18016980), (2, 9008490), (3, 6005660), (4, 4504245), (5, 3603396), (6, 3002830), (10, 1801698), (12, 1501415), (15, 1201132), (20, 900849), (30, 600566), (47, 383340), (60, 300283), (94, 191670), (141, 127780), (188, 95835), (235, 76668), (282, 63890), (470, 38334), (564, 31945), (705, 25556), (940, 19167), (1410, 12778), (2820, 6389)]