19857292

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3209}}^1$

素因数の和:3250

約数の個数: 48

約数和(自身を含む): 45299520

約数和(自身を除く): 25442228

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3209, 6188, 6418, 12836, 22463, 41717, 44926, 54553, 83434, 89852, 109106, 166868, 218212, 292019, 381871, 584038, 709189, 763742, 1168076, 1418378, 1527484, 2836756, 4964323, 9928646, 19857292]

約数ペア:

[(1, 19857292), (2, 9928646), (4, 4964323), (7, 2836756), (13, 1527484), (14, 1418378), (17, 1168076), (26, 763742), (28, 709189), (34, 584038), (52, 381871), (68, 292019), (91, 218212), (119, 166868), (182, 109106), (221, 89852), (238, 83434), (364, 54553), (442, 44926), (476, 41717), (884, 22463), (1547, 12836), (3094, 6418), (3209, 6188)]