19284392

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 40524000

約数和(自身を除く): 21239608

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 439, 578, 646, 878, 1156, 1292, 1756, 2312, 2584, 3512, 5491, 7463, 8341, 10982, 14926, 16682, 21964, 29852, 33364, 43928, 59704, 66728, 126871, 141797, 253742, 283594, 507484, 567188, 1014968, 1134376, 2410549, 4821098, 9642196, 19284392]

約数ペア:

[(1, 19284392), (2, 9642196), (4, 4821098), (8, 2410549), (17, 1134376), (19, 1014968), (34, 567188), (38, 507484), (68, 283594), (76, 253742), (136, 141797), (152, 126871), (289, 66728), (323, 59704), (439, 43928), (578, 33364), (646, 29852), (878, 21964), (1156, 16682), (1292, 14926), (1756, 10982), (2312, 8341), (2584, 7463), (3512, 5491)]