16734820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 37820160

約数和(自身を除く): 21085340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 937, 940, 1786, 1874, 3572, 3748, 4465, 4685, 8930, 9370, 17803, 17860, 18740, 35606, 44039, 71212, 88078, 89015, 176156, 178030, 220195, 356060, 440390, 836741, 880780, 1673482, 3346964, 4183705, 8367410, 16734820]

約数ペア:

[(1, 16734820), (2, 8367410), (4, 4183705), (5, 3346964), (10, 1673482), (19, 880780), (20, 836741), (38, 440390), (47, 356060), (76, 220195), (94, 178030), (95, 176156), (188, 89015), (190, 88078), (235, 71212), (380, 44039), (470, 35606), (893, 18740), (937, 17860), (940, 17803), (1786, 9370), (1874, 8930), (3572, 4685), (3748, 4465)]