18959706

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 42666624

約数和(自身を除く): 23706918

約数列:

[1, 2, 3, 6, 9, 18, 47, 73, 94, 141, 146, 219, 282, 307, 423, 438, 614, 657, 846, 921, 1314, 1842, 2763, 3431, 5526, 6862, 10293, 14429, 20586, 22411, 28858, 30879, 43287, 44822, 61758, 67233, 86574, 129861, 134466, 201699, 259722, 403398, 1053317, 2106634, 3159951, 6319902, 9479853, 18959706]

約数ペア:

[(1, 18959706), (2, 9479853), (3, 6319902), (6, 3159951), (9, 2106634), (18, 1053317), (47, 403398), (73, 259722), (94, 201699), (141, 134466), (146, 129861), (219, 86574), (282, 67233), (307, 61758), (423, 44822), (438, 43287), (614, 30879), (657, 28858), (846, 22411), (921, 20586), (1314, 14429), (1842, 10293), (2763, 6862), (3431, 5526)]