2019503944

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 3972291840

約数和(自身を除く): 1952787896

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 257, 344, 424, 431, 514, 862, 1028, 1724, 2056, 2279, 3448, 4558, 9116, 11051, 13621, 18232, 18533, 22102, 22843, 27242, 37066, 44204, 45686, 54484, 74132, 88408, 91372, 108968, 110767, 148264, 182744, 221534, 443068, 585703, 886136, 982249, 1171406, 1964498, 2342812, 3928996, 4685624, 4762981, 5870651, 7857992, 9525962, 11741302, 19051924, 23482604, 38103848, 46965208, 252437993, 504875986, 1009751972, 2019503944]

約数ペア:

[(1, 2019503944), (2, 1009751972), (4, 504875986), (8, 252437993), (43, 46965208), (53, 38103848), (86, 23482604), (106, 19051924), (172, 11741302), (212, 9525962), (257, 7857992), (344, 5870651), (424, 4762981), (431, 4685624), (514, 3928996), (862, 2342812), (1028, 1964498), (1724, 1171406), (2056, 982249), (2279, 886136), (3448, 585703), (4558, 443068), (9116, 221534), (11051, 182744), (13621, 148264), (18232, 110767), (18533, 108968), (22102, 91372), (22843, 88408), (27242, 74132), (37066, 54484), (44204, 45686)]