15388254

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 72

約数和(自身を含む): 39480480

約数和(自身を除く): 24092226

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 73, 98, 126, 146, 147, 219, 239, 294, 438, 441, 478, 511, 657, 717, 882, 1022, 1314, 1434, 1533, 1673, 2151, 3066, 3346, 3577, 4302, 4599, 5019, 7154, 9198, 10038, 10731, 11711, 15057, 17447, 21462, 23422, 30114, 32193, 34894, 35133, 52341, 64386, 70266, 104682, 105399, 122129, 157023, 210798, 244258, 314046, 366387, 732774, 854903, 1099161, 1709806, 2198322, 2564709, 5129418, 7694127, 15388254]

約数ペア:

[(1, 15388254), (2, 7694127), (3, 5129418), (6, 2564709), (7, 2198322), (9, 1709806), (14, 1099161), (18, 854903), (21, 732774), (42, 366387), (49, 314046), (63, 244258), (73, 210798), (98, 157023), (126, 122129), (146, 105399), (147, 104682), (219, 70266), (239, 64386), (294, 52341), (438, 35133), (441, 34894), (478, 32193), (511, 30114), (657, 23422), (717, 21462), (882, 17447), (1022, 15057), (1314, 11711), (1434, 10731), (1533, 10038), (1673, 9198), (2151, 7154), (3066, 5019), (3346, 4599), (3577, 4302)]