2018890412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{12391}}^1$

素因数の和:12459

約数の個数: 72

約数和(自身を含む): 4605065472

約数和(自身を除く): 2586175060

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 529, 644, 1012, 1058, 1771, 2116, 3542, 3703, 5819, 7084, 7406, 11638, 12391, 14812, 23276, 24782, 40733, 49564, 81466, 86737, 136301, 162932, 173474, 272602, 284993, 346948, 545204, 569986, 954107, 1139972, 1908214, 1994951, 3134923, 3816428, 3989902, 6269846, 6554839, 7979804, 12539692, 13109678, 21944461, 26219356, 43888922, 45883873, 72103229, 87777844, 91767746, 144206458, 183535492, 288412916, 504722603, 1009445206, 2018890412]

約数ペア:

[(1, 2018890412), (2, 1009445206), (4, 504722603), (7, 288412916), (11, 183535492), (14, 144206458), (22, 91767746), (23, 87777844), (28, 72103229), (44, 45883873), (46, 43888922), (77, 26219356), (92, 21944461), (154, 13109678), (161, 12539692), (253, 7979804), (308, 6554839), (322, 6269846), (506, 3989902), (529, 3816428), (644, 3134923), (1012, 1994951), (1058, 1908214), (1771, 1139972), (2116, 954107), (3542, 569986), (3703, 545204), (5819, 346948), (7084, 284993), (7406, 272602), (11638, 173474), (12391, 162932), (14812, 136301), (23276, 86737), (24782, 81466), (40733, 49564)]