19049338

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 37231488

約数和(自身を除く): 18182150

約数列:

[1, 2, 7, 11, 14, 22, 41, 49, 77, 82, 98, 154, 287, 431, 451, 539, 574, 862, 902, 1078, 2009, 3017, 3157, 4018, 4741, 6034, 6314, 9482, 17671, 21119, 22099, 33187, 35342, 42238, 44198, 66374, 123697, 194381, 232309, 247394, 388762, 464618, 865879, 1360667, 1731758, 2721334, 9524669, 19049338]

約数ペア:

[(1, 19049338), (2, 9524669), (7, 2721334), (11, 1731758), (14, 1360667), (22, 865879), (41, 464618), (49, 388762), (77, 247394), (82, 232309), (98, 194381), (154, 123697), (287, 66374), (431, 44198), (451, 42238), (539, 35342), (574, 33187), (862, 22099), (902, 21119), (1078, 17671), (2009, 9482), (3017, 6314), (3157, 6034), (4018, 4741)]