18800937

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 29811200

約数和(自身を除く): 11010263

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 513, 547, 603, 1273, 1641, 1809, 3819, 4923, 10393, 11457, 14769, 31179, 34371, 36649, 93537, 109947, 280611, 329841, 696331, 989523, 2088993, 6266979, 18800937]

約数ペア:

[(1, 18800937), (3, 6266979), (9, 2088993), (19, 989523), (27, 696331), (57, 329841), (67, 280611), (171, 109947), (201, 93537), (513, 36649), (547, 34371), (603, 31179), (1273, 14769), (1641, 11457), (1809, 10393), (3819, 4923)]