19981612

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1051}}^1$

素因数の和:1166

約数の個数: 36

約数和(自身を含む): 41135304

約数和(自身を除く): 21153692

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 388, 679, 1051, 1358, 2102, 2716, 4204, 4753, 7357, 9506, 14714, 19012, 29428, 51499, 101947, 102998, 203894, 205996, 407788, 713629, 1427258, 2854516, 4995403, 9990806, 19981612]

約数ペア:

[(1, 19981612), (2, 9990806), (4, 4995403), (7, 2854516), (14, 1427258), (28, 713629), (49, 407788), (97, 205996), (98, 203894), (194, 102998), (196, 101947), (388, 51499), (679, 29428), (1051, 19012), (1358, 14714), (2102, 9506), (2716, 7357), (4204, 4753)]