19765840707

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{2447}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 29720051712

約数和(自身を除く): 9954211005

約数列:

[1, 3, 9, 37, 111, 127, 191, 333, 381, 573, 1143, 1719, 2447, 4699, 7067, 7341, 14097, 21201, 22023, 24257, 42291, 63603, 72771, 90539, 218313, 271617, 310769, 467377, 814851, 897509, 932307, 1402131, 2692527, 2796921, 4206393, 8077581, 11498453, 17292949, 34495359, 51878847, 59356879, 103486077, 155636541, 178070637, 534211911, 2196204523, 6588613569, 19765840707]

約数ペア:

[(1, 19765840707), (3, 6588613569), (9, 2196204523), (37, 534211911), (111, 178070637), (127, 155636541), (191, 103486077), (333, 59356879), (381, 51878847), (573, 34495359), (1143, 17292949), (1719, 11498453), (2447, 8077581), (4699, 4206393), (7067, 2796921), (7341, 2692527), (14097, 1402131), (21201, 932307), (22023, 897509), (24257, 814851), (42291, 467377), (63603, 310769), (72771, 271617), (90539, 218313)]