18972476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{279007}}^1$

素因数の和:279028

約数の個数: 12

約数和(自身を含む): 35155008

約数和(自身を除く): 16182532

約数列:

[1, 2, 4, 17, 34, 68, 279007, 558014, 1116028, 4743119, 9486238, 18972476]

約数ペア:

[(1, 18972476), (2, 9486238), (4, 4743119), (17, 1116028), (34, 558014), (68, 279007)]