18654064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 43997184

約数和(自身を除く): 25343120

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 263, 286, 341, 403, 496, 526, 572, 682, 806, 1052, 1144, 1364, 1612, 2104, 2288, 2728, 2893, 3224, 3419, 4208, 4433, 5456, 5786, 6448, 6838, 8153, 8866, 11572, 13676, 16306, 17732, 23144, 27352, 32612, 35464, 37609, 46288, 54704, 65224, 70928, 75218, 89683, 105989, 130448, 150436, 179366, 211978, 300872, 358732, 423956, 601744, 717464, 847912, 1165879, 1434928, 1695824, 2331758, 4663516, 9327032, 18654064]

約数ペア:

[(1, 18654064), (2, 9327032), (4, 4663516), (8, 2331758), (11, 1695824), (13, 1434928), (16, 1165879), (22, 847912), (26, 717464), (31, 601744), (44, 423956), (52, 358732), (62, 300872), (88, 211978), (104, 179366), (124, 150436), (143, 130448), (176, 105989), (208, 89683), (248, 75218), (263, 70928), (286, 65224), (341, 54704), (403, 46288), (496, 37609), (526, 35464), (572, 32612), (682, 27352), (806, 23144), (1052, 17732), (1144, 16306), (1364, 13676), (1612, 11572), (2104, 8866), (2288, 8153), (2728, 6838), (2893, 6448), (3224, 5786), (3419, 5456), (4208, 4433)]