19151264

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1327}}^1$

素因数の和:1389

約数の個数: 48

約数和(自身を含む): 42166656

約数和(自身を除く): 23015392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1327, 1804, 2654, 3608, 5308, 7216, 10616, 14432, 14597, 21232, 29194, 42464, 54407, 58388, 108814, 116776, 217628, 233552, 435256, 467104, 598477, 870512, 1196954, 1741024, 2393908, 4787816, 9575632, 19151264]

約数ペア:

[(1, 19151264), (2, 9575632), (4, 4787816), (8, 2393908), (11, 1741024), (16, 1196954), (22, 870512), (32, 598477), (41, 467104), (44, 435256), (82, 233552), (88, 217628), (164, 116776), (176, 108814), (328, 58388), (352, 54407), (451, 42464), (656, 29194), (902, 21232), (1312, 14597), (1327, 14432), (1804, 10616), (2654, 7216), (3608, 5308)]