18962842580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{69011}}^1$

素因数の和:70280

約数の個数: 48

約数和(自身を含む): 43477560000

約数和(自身を除く): 24514717420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1249, 2498, 4996, 6245, 12490, 13739, 24980, 27478, 54956, 68695, 69011, 137390, 138022, 274780, 276044, 345055, 690110, 759121, 1380220, 1518242, 3036484, 3795605, 7591210, 15182420, 86194739, 172389478, 344778956, 430973695, 861947390, 948142129, 1723894780, 1896284258, 3792568516, 4740710645, 9481421290, 18962842580]

約数ペア:

[(1, 18962842580), (2, 9481421290), (4, 4740710645), (5, 3792568516), (10, 1896284258), (11, 1723894780), (20, 948142129), (22, 861947390), (44, 430973695), (55, 344778956), (110, 172389478), (220, 86194739), (1249, 15182420), (2498, 7591210), (4996, 3795605), (6245, 3036484), (12490, 1518242), (13739, 1380220), (24980, 759121), (27478, 690110), (54956, 345055), (68695, 276044), (69011, 274780), (137390, 138022)]