18997070534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1189

約数の個数: 64

約数和(自身を含む): 31903872000

約数和(自身を除く): 12906801466

約数列:

[1, 2, 13, 26, 43, 86, 103, 199, 206, 398, 559, 829, 1118, 1339, 1658, 2587, 2678, 4429, 5174, 8557, 8858, 10777, 17114, 20497, 21554, 35647, 40994, 57577, 71294, 85387, 111241, 115154, 164971, 170774, 222482, 266461, 329942, 463411, 532922, 881371, 926822, 1110031, 1762742, 2144623, 2220062, 3671641, 4289246, 7093753, 7343282, 11457823, 14187506, 16992013, 22915646, 33984026, 47731333, 92218789, 95462666, 184437578, 220896169, 441792338, 730656559, 1461313118, 9498535267, 18997070534]

約数ペア:

[(1, 18997070534), (2, 9498535267), (13, 1461313118), (26, 730656559), (43, 441792338), (86, 220896169), (103, 184437578), (199, 95462666), (206, 92218789), (398, 47731333), (559, 33984026), (829, 22915646), (1118, 16992013), (1339, 14187506), (1658, 11457823), (2587, 7343282), (2678, 7093753), (4429, 4289246), (5174, 3671641), (8557, 2220062), (8858, 2144623), (10777, 1762742), (17114, 1110031), (20497, 926822), (21554, 881371), (35647, 532922), (40994, 463411), (57577, 329942), (71294, 266461), (85387, 222482), (111241, 170774), (115154, 164971)]