19102578

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 43794432

約数和(自身を除く): 24691854

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 53, 66, 86, 106, 127, 129, 159, 254, 258, 318, 381, 473, 583, 762, 946, 1166, 1397, 1419, 1749, 2279, 2794, 2838, 3498, 4191, 4558, 5461, 6731, 6837, 8382, 10922, 13462, 13674, 16383, 20193, 25069, 32766, 40386, 50138, 60071, 74041, 75207, 120142, 148082, 150414, 180213, 222123, 289433, 360426, 444246, 578866, 868299, 1736598, 3183763, 6367526, 9551289, 19102578]

約数ペア:

[(1, 19102578), (2, 9551289), (3, 6367526), (6, 3183763), (11, 1736598), (22, 868299), (33, 578866), (43, 444246), (53, 360426), (66, 289433), (86, 222123), (106, 180213), (127, 150414), (129, 148082), (159, 120142), (254, 75207), (258, 74041), (318, 60071), (381, 50138), (473, 40386), (583, 32766), (762, 25069), (946, 20193), (1166, 16383), (1397, 13674), (1419, 13462), (1749, 10922), (2279, 8382), (2794, 6837), (2838, 6731), (3498, 5461), (4191, 4558)]