16220718

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 37889280

約数和(自身を除く): 21668562

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1103, 1634, 2206, 2451, 3309, 4902, 6618, 7353, 9927, 14706, 19854, 20957, 41914, 47429, 62871, 94858, 125742, 142287, 188613, 284574, 377226, 426861, 853722, 901151, 1802302, 2703453, 5406906, 8110359, 16220718]

約数ペア:

[(1, 16220718), (2, 8110359), (3, 5406906), (6, 2703453), (9, 1802302), (18, 901151), (19, 853722), (38, 426861), (43, 377226), (57, 284574), (86, 188613), (114, 142287), (129, 125742), (171, 94858), (258, 62871), (342, 47429), (387, 41914), (774, 20957), (817, 19854), (1103, 14706), (1634, 9927), (2206, 7353), (2451, 6618), (3309, 4902)]