18739206

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 43134000

約数和(自身を除く): 24394794

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 157, 171, 314, 342, 349, 471, 698, 942, 1047, 1413, 2094, 2826, 2983, 3141, 5966, 6282, 6631, 8949, 13262, 17898, 19893, 26847, 39786, 53694, 54793, 59679, 109586, 119358, 164379, 328758, 493137, 986274, 1041067, 2082134, 3123201, 6246402, 9369603, 18739206]

約数ペア:

[(1, 18739206), (2, 9369603), (3, 6246402), (6, 3123201), (9, 2082134), (18, 1041067), (19, 986274), (38, 493137), (57, 328758), (114, 164379), (157, 119358), (171, 109586), (314, 59679), (342, 54793), (349, 53694), (471, 39786), (698, 26847), (942, 19893), (1047, 17898), (1413, 13262), (2094, 8949), (2826, 6631), (2983, 6282), (3141, 5966)]