19457984

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 84

約数和(自身を含む): 47969424

約数和(自身を除く): 28511440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 169, 182, 208, 224, 257, 338, 364, 416, 448, 514, 676, 728, 832, 1028, 1183, 1352, 1456, 1799, 2056, 2366, 2704, 2912, 3341, 3598, 4112, 4732, 5408, 5824, 6682, 7196, 8224, 9464, 10816, 13364, 14392, 16448, 18928, 23387, 26728, 28784, 37856, 43433, 46774, 53456, 57568, 75712, 86866, 93548, 106912, 115136, 173732, 187096, 213824, 304031, 347464, 374192, 608062, 694928, 748384, 1216124, 1389856, 1496768, 2432248, 2779712, 4864496, 9728992, 19457984]

約数ペア:

[(1, 19457984), (2, 9728992), (4, 4864496), (7, 2779712), (8, 2432248), (13, 1496768), (14, 1389856), (16, 1216124), (26, 748384), (28, 694928), (32, 608062), (52, 374192), (56, 347464), (64, 304031), (91, 213824), (104, 187096), (112, 173732), (169, 115136), (182, 106912), (208, 93548), (224, 86866), (257, 75712), (338, 57568), (364, 53456), (416, 46774), (448, 43433), (514, 37856), (676, 28784), (728, 26728), (832, 23387), (1028, 18928), (1183, 16448), (1352, 14392), (1456, 13364), (1799, 10816), (2056, 9464), (2366, 8224), (2704, 7196), (2912, 6682), (3341, 5824), (3598, 5408), (4112, 4732)]