20161926

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 48364800

約数和(自身を除く): 28202874

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 86, 114, 129, 171, 258, 342, 387, 457, 513, 774, 817, 914, 1026, 1161, 1371, 1634, 2322, 2451, 2742, 4113, 4902, 7353, 8226, 8683, 12339, 14706, 17366, 19651, 22059, 24678, 26049, 39302, 44118, 52098, 58953, 78147, 117906, 156294, 176859, 234441, 353718, 373369, 468882, 530577, 746738, 1061154, 1120107, 2240214, 3360321, 6720642, 10080963, 20161926]

約数ペア:

[(1, 20161926), (2, 10080963), (3, 6720642), (6, 3360321), (9, 2240214), (18, 1120107), (19, 1061154), (27, 746738), (38, 530577), (43, 468882), (54, 373369), (57, 353718), (86, 234441), (114, 176859), (129, 156294), (171, 117906), (258, 78147), (342, 58953), (387, 52098), (457, 44118), (513, 39302), (774, 26049), (817, 24678), (914, 22059), (1026, 19651), (1161, 17366), (1371, 14706), (1634, 12339), (2322, 8683), (2451, 8226), (2742, 7353), (4113, 4902)]