19939096

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{541}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 39804480

約数和(自身を除く): 19865384

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 271, 541, 542, 1082, 1084, 2164, 2168, 4328, 4607, 9197, 9214, 18394, 18428, 36788, 36856, 73576, 146611, 293222, 586444, 1172888, 2492387, 4984774, 9969548, 19939096]

約数ペア:

[(1, 19939096), (2, 9969548), (4, 4984774), (8, 2492387), (17, 1172888), (34, 586444), (68, 293222), (136, 146611), (271, 73576), (541, 36856), (542, 36788), (1082, 18428), (1084, 18394), (2164, 9214), (2168, 9197), (4328, 4607)]