17955768

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 46632960

約数和(自身を除く): 28677192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 127, 129, 137, 172, 254, 258, 274, 344, 381, 411, 508, 516, 548, 762, 822, 1016, 1032, 1096, 1524, 1644, 3048, 3288, 5461, 5891, 10922, 11782, 16383, 17399, 17673, 21844, 23564, 32766, 34798, 35346, 43688, 47128, 52197, 65532, 69596, 70692, 104394, 131064, 139192, 141384, 208788, 417576, 748157, 1496314, 2244471, 2992628, 4488942, 5985256, 8977884, 17955768]

約数ペア:

[(1, 17955768), (2, 8977884), (3, 5985256), (4, 4488942), (6, 2992628), (8, 2244471), (12, 1496314), (24, 748157), (43, 417576), (86, 208788), (127, 141384), (129, 139192), (137, 131064), (172, 104394), (254, 70692), (258, 69596), (274, 65532), (344, 52197), (381, 47128), (411, 43688), (508, 35346), (516, 34798), (548, 32766), (762, 23564), (822, 21844), (1016, 17673), (1032, 17399), (1096, 16383), (1524, 11782), (1644, 10922), (3048, 5891), (3288, 5461)]