19995606

素因数分解:

$2^1\times 3^3\times {\mathrm{349}}^1\times {\mathrm{1061}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 44604000

約数和(自身を除く): 24608394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 349, 698, 1047, 1061, 2094, 2122, 3141, 3183, 6282, 6366, 9423, 9549, 18846, 19098, 28647, 57294, 370289, 740578, 1110867, 2221734, 3332601, 6665202, 9997803, 19995606]

約数ペア:

[(1, 19995606), (2, 9997803), (3, 6665202), (6, 3332601), (9, 2221734), (18, 1110867), (27, 740578), (54, 370289), (349, 57294), (698, 28647), (1047, 19098), (1061, 18846), (2094, 9549), (2122, 9423), (3141, 6366), (3183, 6282)]