19870074

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{881}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 29663046

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 179, 358, 537, 881, 1074, 1253, 1611, 1762, 2506, 2643, 3222, 3759, 5286, 6167, 7518, 7929, 11277, 12334, 15858, 18501, 22554, 37002, 55503, 111006, 157699, 315398, 473097, 946194, 1103893, 1419291, 2207786, 2838582, 3311679, 6623358, 9935037, 19870074]

約数ペア:

[(1, 19870074), (2, 9935037), (3, 6623358), (6, 3311679), (7, 2838582), (9, 2207786), (14, 1419291), (18, 1103893), (21, 946194), (42, 473097), (63, 315398), (126, 157699), (179, 111006), (358, 55503), (537, 37002), (881, 22554), (1074, 18501), (1253, 15858), (1611, 12334), (1762, 11277), (2506, 7929), (2643, 7518), (3222, 6167), (3759, 5286)]