18154994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 33994080

約数和(自身を除く): 15839086

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 169, 209, 247, 257, 286, 338, 418, 494, 514, 1859, 2717, 2827, 3211, 3341, 3718, 4883, 5434, 5654, 6422, 6682, 9766, 35321, 36751, 43433, 53713, 63479, 70642, 73502, 86866, 107426, 126958, 477763, 698269, 825227, 955526, 1396538, 1650454, 9077497, 18154994]

約数ペア:

[(1, 18154994), (2, 9077497), (11, 1650454), (13, 1396538), (19, 955526), (22, 825227), (26, 698269), (38, 477763), (143, 126958), (169, 107426), (209, 86866), (247, 73502), (257, 70642), (286, 63479), (338, 53713), (418, 43433), (494, 36751), (514, 35321), (1859, 9766), (2717, 6682), (2827, 6422), (3211, 5654), (3341, 5434), (3718, 4883)]