18928826

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71161}}^1$

素因数の和:71189

約数の個数: 16

約数和(自身を含む): 34157760

約数和(自身を除く): 15228934

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 71161, 142322, 498127, 996254, 1352059, 2704118, 9464413, 18928826]

約数ペア:

[(1, 18928826), (2, 9464413), (7, 2704118), (14, 1352059), (19, 996254), (38, 498127), (133, 142322), (266, 71161)]