19158392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 41247360

約数和(自身を除く): 22088968

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 61, 83, 86, 88, 122, 166, 172, 244, 332, 344, 473, 488, 664, 671, 913, 946, 1342, 1826, 1892, 2623, 2684, 3569, 3652, 3784, 5063, 5246, 5368, 7138, 7304, 10126, 10492, 14276, 20252, 20984, 28552, 28853, 39259, 40504, 55693, 57706, 78518, 111386, 115412, 157036, 217709, 222772, 230824, 314072, 435418, 445544, 870836, 1741672, 2394799, 4789598, 9579196, 19158392]

約数ペア:

[(1, 19158392), (2, 9579196), (4, 4789598), (8, 2394799), (11, 1741672), (22, 870836), (43, 445544), (44, 435418), (61, 314072), (83, 230824), (86, 222772), (88, 217709), (122, 157036), (166, 115412), (172, 111386), (244, 78518), (332, 57706), (344, 55693), (473, 40504), (488, 39259), (664, 28853), (671, 28552), (913, 20984), (946, 20252), (1342, 14276), (1826, 10492), (1892, 10126), (2623, 7304), (2684, 7138), (3569, 5368), (3652, 5246), (3784, 5063)]