19372521

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12637}}^1$

素因数の和:12720

約数の個数: 16

約数和(自身を含む): 29926784

約数和(自身を除く): 10554263

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12637, 37911, 88459, 265377, 922501, 2767503, 6457507, 19372521]

約数ペア:

[(1, 19372521), (3, 6457507), (7, 2767503), (21, 922501), (73, 265377), (219, 88459), (511, 37911), (1533, 12637)]