19495318

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1527

約数の個数: 16

約数和(自身を含む): 30078144

約数和(自身を除く): 10582826

約数列:

[1, 2, 47, 94, 157, 314, 1321, 2642, 7379, 14758, 62087, 124174, 207397, 414794, 9747659, 19495318]

約数ペア:

[(1, 19495318), (2, 9747659), (47, 414794), (94, 207397), (157, 124174), (314, 62087), (1321, 14758), (2642, 7379)]