20181708

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{1277}}^1$

素因数の和:1726

約数の個数: 36

約数和(自身を含む): 51171120

約数和(自身を除く): 30989412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1277, 1317, 1756, 2554, 2634, 3831, 3951, 5108, 5268, 7662, 7902, 11493, 15324, 15804, 22986, 45972, 560603, 1121206, 1681809, 2242412, 3363618, 5045427, 6727236, 10090854, 20181708]

約数ペア:

[(1, 20181708), (2, 10090854), (3, 6727236), (4, 5045427), (6, 3363618), (9, 2242412), (12, 1681809), (18, 1121206), (36, 560603), (439, 45972), (878, 22986), (1277, 15804), (1317, 15324), (1756, 11493), (2554, 7902), (2634, 7662), (3831, 5268), (3951, 5108)]