18386433

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 31169600

約数和(自身を除く): 12783167

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 919, 1053, 1539, 2223, 2757, 6669, 8271, 11947, 17461, 20007, 24813, 35841, 52383, 74439, 107523, 157149, 226993, 322569, 471447, 680979, 967707, 1414341, 2042937, 6128811, 18386433]

約数ペア:

[(1, 18386433), (3, 6128811), (9, 2042937), (13, 1414341), (19, 967707), (27, 680979), (39, 471447), (57, 322569), (81, 226993), (117, 157149), (171, 107523), (247, 74439), (351, 52383), (513, 35841), (741, 24813), (919, 20007), (1053, 17461), (1539, 11947), (2223, 8271), (2757, 6669)]