19618686

素因数分解:

$2^1\times 3^4\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:710

約数の個数: 40

約数和(自身を含む): 44213400

約数和(自身を除く): 24594714

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 347, 349, 694, 698, 1041, 1047, 2082, 2094, 3123, 3141, 6246, 6282, 9369, 9423, 18738, 18846, 28107, 28269, 56214, 56538, 121103, 242206, 363309, 726618, 1089927, 2179854, 3269781, 6539562, 9809343, 19618686]

約数ペア:

[(1, 19618686), (2, 9809343), (3, 6539562), (6, 3269781), (9, 2179854), (18, 1089927), (27, 726618), (54, 363309), (81, 242206), (162, 121103), (347, 56538), (349, 56214), (694, 28269), (698, 28107), (1041, 18846), (1047, 18738), (2082, 9423), (2094, 9369), (3123, 6282), (3141, 6246)]