17661488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 40101600

約数和(自身を除く): 22440112

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 82, 104, 109, 152, 164, 208, 218, 247, 304, 328, 436, 494, 533, 656, 779, 872, 988, 1066, 1417, 1558, 1744, 1976, 2071, 2132, 2834, 3116, 3952, 4142, 4264, 4469, 5668, 6232, 8284, 8528, 8938, 10127, 11336, 12464, 16568, 17876, 20254, 22672, 26923, 33136, 35752, 40508, 53846, 58097, 71504, 81016, 84911, 107692, 116194, 162032, 169822, 215384, 232388, 339644, 430768, 464776, 679288, 929552, 1103843, 1358576, 2207686, 4415372, 8830744, 17661488]

約数ペア:

[(1, 17661488), (2, 8830744), (4, 4415372), (8, 2207686), (13, 1358576), (16, 1103843), (19, 929552), (26, 679288), (38, 464776), (41, 430768), (52, 339644), (76, 232388), (82, 215384), (104, 169822), (109, 162032), (152, 116194), (164, 107692), (208, 84911), (218, 81016), (247, 71504), (304, 58097), (328, 53846), (436, 40508), (494, 35752), (533, 33136), (656, 26923), (779, 22672), (872, 20254), (988, 17876), (1066, 16568), (1417, 12464), (1558, 11336), (1744, 10127), (1976, 8938), (2071, 8528), (2132, 8284), (2834, 6232), (3116, 5668), (3952, 4469), (4142, 4264)]