18964548

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12251}}^1$

素因数の和:12304

約数の個数: 36

約数和(自身を含む): 49057008

約数和(自身を除く): 30092460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12251, 24502, 36753, 49004, 73506, 110259, 147012, 220518, 441036, 526793, 1053586, 1580379, 2107172, 3160758, 4741137, 6321516, 9482274, 18964548]

約数ペア:

[(1, 18964548), (2, 9482274), (3, 6321516), (4, 4741137), (6, 3160758), (9, 2107172), (12, 1580379), (18, 1053586), (36, 526793), (43, 441036), (86, 220518), (129, 147012), (172, 110259), (258, 73506), (387, 49004), (516, 36753), (774, 24502), (1548, 12251)]