18268492070

素因数分解:

$2^1\times 5^1\times {\mathrm{21013}}^1\times {\mathrm{86939}}^1$

素因数の和:107959

約数の個数: 16

約数和(自身を含む): 32885228880

約数和(自身を除く): 14616736810

約数列:

[1, 2, 5, 10, 21013, 42026, 86939, 105065, 173878, 210130, 434695, 869390, 1826849207, 3653698414, 9134246035, 18268492070]

約数ペア:

[(1, 18268492070), (2, 9134246035), (5, 3653698414), (10, 1826849207), (21013, 869390), (42026, 434695), (86939, 210130), (105065, 173878)]