2018081985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1543}}^1$

素因数の和:1814

約数の個数: 64

約数和(自身を含む): 3585835008

約数和(自身を除く): 1567753023

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 223, 255, 345, 391, 669, 1115, 1173, 1543, 1955, 3345, 3791, 4629, 5129, 5865, 7715, 11373, 15387, 18955, 23145, 25645, 26231, 35489, 56865, 76935, 78693, 87193, 106467, 131155, 177445, 261579, 344089, 393465, 435965, 532335, 603313, 1032267, 1307895, 1720445, 1809939, 3016565, 5161335, 5849513, 7914047, 9049695, 17548539, 23742141, 29247565, 39570235, 87742695, 118710705, 134538799, 403616397, 672693995, 2018081985]

約数ペア:

[(1, 2018081985), (3, 672693995), (5, 403616397), (15, 134538799), (17, 118710705), (23, 87742695), (51, 39570235), (69, 29247565), (85, 23742141), (115, 17548539), (223, 9049695), (255, 7914047), (345, 5849513), (391, 5161335), (669, 3016565), (1115, 1809939), (1173, 1720445), (1543, 1307895), (1955, 1032267), (3345, 603313), (3791, 532335), (4629, 435965), (5129, 393465), (5865, 344089), (7715, 261579), (11373, 177445), (15387, 131155), (18955, 106467), (23145, 87193), (25645, 78693), (26231, 76935), (35489, 56865)]