18943372

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2341}}^1$

素因数の和:2386

約数の個数: 36

約数和(自身を含む): 40263664

約数和(自身を除く): 21320292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2341, 4046, 4682, 8092, 9364, 16387, 32774, 39797, 65548, 79594, 159188, 278579, 557158, 676549, 1114316, 1353098, 2706196, 4735843, 9471686, 18943372]

約数ペア:

[(1, 18943372), (2, 9471686), (4, 4735843), (7, 2706196), (14, 1353098), (17, 1114316), (28, 676549), (34, 557158), (68, 278579), (119, 159188), (238, 79594), (289, 65548), (476, 39797), (578, 32774), (1156, 16387), (2023, 9364), (2341, 8092), (4046, 4682)]