19973466

素因数分解:

$2^1\times 3^4\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1040

約数の個数: 40

約数和(自身を含む): 45128160

約数和(自身を除く): 25154694

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 278, 417, 834, 887, 1251, 1774, 2502, 2661, 3753, 5322, 7506, 7983, 11259, 15966, 22518, 23949, 47898, 71847, 123293, 143694, 246586, 369879, 739758, 1109637, 2219274, 3328911, 6657822, 9986733, 19973466]

約数ペア:

[(1, 19973466), (2, 9986733), (3, 6657822), (6, 3328911), (9, 2219274), (18, 1109637), (27, 739758), (54, 369879), (81, 246586), (139, 143694), (162, 123293), (278, 71847), (417, 47898), (834, 23949), (887, 22518), (1251, 15966), (1774, 11259), (2502, 7983), (2661, 7506), (3753, 5322)]