19305184

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 20702336

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 71, 116, 142, 232, 284, 293, 464, 568, 586, 928, 1136, 1172, 2059, 2272, 2344, 4118, 4688, 8236, 8497, 9376, 16472, 16994, 20803, 32944, 33988, 41606, 65888, 67976, 83212, 135952, 166424, 271904, 332848, 603287, 665696, 1206574, 2413148, 4826296, 9652592, 19305184]

約数ペア:

[(1, 19305184), (2, 9652592), (4, 4826296), (8, 2413148), (16, 1206574), (29, 665696), (32, 603287), (58, 332848), (71, 271904), (116, 166424), (142, 135952), (232, 83212), (284, 67976), (293, 65888), (464, 41606), (568, 33988), (586, 32944), (928, 20803), (1136, 16994), (1172, 16472), (2059, 9376), (2272, 8497), (2344, 8236), (4118, 4688)]