18589676

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 39701760

約数和(自身を除く): 21112084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 421, 532, 581, 842, 1162, 1577, 1684, 2324, 2947, 3154, 5894, 6308, 7999, 11039, 11788, 15998, 22078, 31996, 34943, 44156, 55993, 69886, 111986, 139772, 223972, 244601, 489202, 663917, 978404, 1327834, 2655668, 4647419, 9294838, 18589676]

約数ペア:

[(1, 18589676), (2, 9294838), (4, 4647419), (7, 2655668), (14, 1327834), (19, 978404), (28, 663917), (38, 489202), (76, 244601), (83, 223972), (133, 139772), (166, 111986), (266, 69886), (332, 55993), (421, 44156), (532, 34943), (581, 31996), (842, 22078), (1162, 15998), (1577, 11788), (1684, 11039), (2324, 7999), (2947, 6308), (3154, 5894)]