19778094

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 80

約数和(自身を含む): 51435648

約数和(自身を除く): 31657554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 107, 126, 162, 163, 189, 214, 321, 326, 378, 489, 567, 642, 749, 963, 978, 1134, 1141, 1467, 1498, 1926, 2247, 2282, 2889, 2934, 3423, 4401, 4494, 5778, 6741, 6846, 8667, 8802, 10269, 13203, 13482, 17334, 17441, 20223, 20538, 26406, 30807, 34882, 40446, 52323, 60669, 61614, 92421, 104646, 121338, 122087, 156969, 184842, 244174, 313938, 366261, 470907, 732522, 941814, 1098783, 1412721, 2197566, 2825442, 3296349, 6592698, 9889047, 19778094]

約数ペア:

[(1, 19778094), (2, 9889047), (3, 6592698), (6, 3296349), (7, 2825442), (9, 2197566), (14, 1412721), (18, 1098783), (21, 941814), (27, 732522), (42, 470907), (54, 366261), (63, 313938), (81, 244174), (107, 184842), (126, 156969), (162, 122087), (163, 121338), (189, 104646), (214, 92421), (321, 61614), (326, 60669), (378, 52323), (489, 40446), (567, 34882), (642, 30807), (749, 26406), (963, 20538), (978, 20223), (1134, 17441), (1141, 17334), (1467, 13482), (1498, 13203), (1926, 10269), (2247, 8802), (2282, 8667), (2889, 6846), (2934, 6741), (3423, 5778), (4401, 4494)]