19766648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 43636320

約数和(自身を除く): 23869672

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 73, 88, 136, 146, 181, 187, 292, 362, 374, 584, 724, 748, 803, 1241, 1448, 1496, 1606, 1991, 2482, 3077, 3212, 3982, 4964, 6154, 6424, 7964, 9928, 12308, 13213, 13651, 15928, 24616, 26426, 27302, 33847, 52852, 54604, 67694, 105704, 109208, 135388, 145343, 224621, 270776, 290686, 449242, 581372, 898484, 1162744, 1796968, 2470831, 4941662, 9883324, 19766648]

約数ペア:

[(1, 19766648), (2, 9883324), (4, 4941662), (8, 2470831), (11, 1796968), (17, 1162744), (22, 898484), (34, 581372), (44, 449242), (68, 290686), (73, 270776), (88, 224621), (136, 145343), (146, 135388), (181, 109208), (187, 105704), (292, 67694), (362, 54604), (374, 52852), (584, 33847), (724, 27302), (748, 26426), (803, 24616), (1241, 15928), (1448, 13651), (1496, 13213), (1606, 12308), (1991, 9928), (2482, 7964), (3077, 6424), (3212, 6154), (3982, 4964)]