1989914

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:445

約数の個数: 16

約数和(自身を含む): 3144960

約数和(自身を除く): 1155046

約数列:

[1, 2, 23, 46, 181, 239, 362, 478, 4163, 5497, 8326, 10994, 43259, 86518, 994957, 1989914]

約数ペア:

[(1, 1989914), (2, 994957), (23, 86518), (46, 43259), (181, 10994), (239, 8326), (362, 5497), (478, 4163)]