16869918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 37103616

約数和(自身を除く): 20233698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 131, 169, 254, 262, 338, 381, 393, 507, 762, 786, 1014, 1651, 1703, 3302, 3406, 4953, 5109, 9906, 10218, 16637, 21463, 22139, 33274, 42926, 44278, 49911, 64389, 66417, 99822, 128778, 132834, 216281, 432562, 648843, 1297686, 2811653, 5623306, 8434959, 16869918]

約数ペア:

[(1, 16869918), (2, 8434959), (3, 5623306), (6, 2811653), (13, 1297686), (26, 648843), (39, 432562), (78, 216281), (127, 132834), (131, 128778), (169, 99822), (254, 66417), (262, 64389), (338, 49911), (381, 44278), (393, 42926), (507, 33274), (762, 22139), (786, 21463), (1014, 16637), (1651, 10218), (1703, 9906), (3302, 5109), (3406, 4953)]