19982102

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 16953898

約数列:

[1, 2, 7, 14, 29, 49, 58, 79, 89, 98, 158, 178, 203, 406, 553, 623, 1106, 1246, 1421, 2291, 2581, 2842, 3871, 4361, 4582, 5162, 7031, 7742, 8722, 14062, 16037, 18067, 32074, 36134, 49217, 98434, 112259, 126469, 203899, 224518, 252938, 344519, 407798, 689038, 1427293, 2854586, 9991051, 19982102]

約数ペア:

[(1, 19982102), (2, 9991051), (7, 2854586), (14, 1427293), (29, 689038), (49, 407798), (58, 344519), (79, 252938), (89, 224518), (98, 203899), (158, 126469), (178, 112259), (203, 98434), (406, 49217), (553, 36134), (623, 32074), (1106, 18067), (1246, 16037), (1421, 14062), (2291, 8722), (2581, 7742), (2842, 7031), (3871, 5162), (4361, 4582)]