19992136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 42476400

約数和(自身を除く): 22484264

約数列:

[1, 2, 4, 8, 17, 29, 34, 37, 58, 68, 74, 116, 136, 137, 148, 232, 274, 296, 493, 548, 629, 986, 1073, 1096, 1258, 1972, 2146, 2329, 2516, 3944, 3973, 4292, 4658, 5032, 5069, 7946, 8584, 9316, 10138, 15892, 18241, 18632, 20276, 31784, 36482, 40552, 67541, 72964, 86173, 135082, 145928, 147001, 172346, 270164, 294002, 344692, 540328, 588004, 689384, 1176008, 2499017, 4998034, 9996068, 19992136]

約数ペア:

[(1, 19992136), (2, 9996068), (4, 4998034), (8, 2499017), (17, 1176008), (29, 689384), (34, 588004), (37, 540328), (58, 344692), (68, 294002), (74, 270164), (116, 172346), (136, 147001), (137, 145928), (148, 135082), (232, 86173), (274, 72964), (296, 67541), (493, 40552), (548, 36482), (629, 31784), (986, 20276), (1073, 18632), (1096, 18241), (1258, 15892), (1972, 10138), (2146, 9316), (2329, 8584), (2516, 7946), (3944, 5069), (3973, 5032), (4292, 4658)]