19996245848

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1802113}}^1$

素因数の和:1802211

約数の個数: 32

約数和(自身を含む): 40006930800

約数和(自身を除く): 20010684952

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 2774, 5548, 11096, 1802113, 3604226, 7208452, 14416904, 34240147, 68480294, 131554249, 136960588, 263108498, 273921176, 526216996, 1052433992, 2499530731, 4999061462, 9998122924, 19996245848]

約数ペア:

[(1, 19996245848), (2, 9998122924), (4, 4999061462), (8, 2499530731), (19, 1052433992), (38, 526216996), (73, 273921176), (76, 263108498), (146, 136960588), (152, 131554249), (292, 68480294), (584, 34240147), (1387, 14416904), (2774, 7208452), (5548, 3604226), (11096, 1802113)]