19866516

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38501}}^1$

素因数の和:38551

約数の個数: 24

約数和(自身を含む): 47434464

約数和(自身を除く): 27567948

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38501, 77002, 115503, 154004, 231006, 462012, 1655543, 3311086, 4966629, 6622172, 9933258, 19866516]

約数ペア:

[(1, 19866516), (2, 9933258), (3, 6622172), (4, 4966629), (6, 3311086), (12, 1655543), (43, 462012), (86, 231006), (129, 154004), (172, 115503), (258, 77002), (516, 38501)]