19398636

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3389}}^1$

素因数の和:3455

約数の個数: 48

約数和(自身を含む): 51256800

約数和(自身を除く): 31858164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3389, 5724, 6778, 10167, 13556, 20334, 30501, 40668, 61002, 91503, 122004, 179617, 183006, 359234, 366012, 538851, 718468, 1077702, 1616553, 2155404, 3233106, 4849659, 6466212, 9699318, 19398636]

約数ペア:

[(1, 19398636), (2, 9699318), (3, 6466212), (4, 4849659), (6, 3233106), (9, 2155404), (12, 1616553), (18, 1077702), (27, 718468), (36, 538851), (53, 366012), (54, 359234), (106, 183006), (108, 179617), (159, 122004), (212, 91503), (318, 61002), (477, 40668), (636, 30501), (954, 20334), (1431, 13556), (1908, 10167), (2862, 6778), (3389, 5724)]