19028457

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 33770880

約数和(自身を除く): 14742423

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 109, 119, 153, 163, 327, 357, 489, 763, 981, 1071, 1141, 1467, 1853, 2289, 2771, 3423, 5559, 6867, 8313, 10269, 12971, 16677, 17767, 19397, 24939, 38913, 53301, 58191, 116739, 124369, 159903, 174573, 302039, 373107, 906117, 1119321, 2114273, 2718351, 6342819, 19028457]

約数ペア:

[(1, 19028457), (3, 6342819), (7, 2718351), (9, 2114273), (17, 1119321), (21, 906117), (51, 373107), (63, 302039), (109, 174573), (119, 159903), (153, 124369), (163, 116739), (327, 58191), (357, 53301), (489, 38913), (763, 24939), (981, 19397), (1071, 17767), (1141, 16677), (1467, 12971), (1853, 10269), (2289, 8313), (2771, 6867), (3423, 5559)]