18591728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2659}}^1$

素因数の和:2709

約数の個数: 40

約数和(自身を含む): 39580800

約数和(自身を除く): 20989072

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2659, 3496, 5318, 6992, 10636, 21272, 42544, 50521, 61157, 101042, 122314, 202084, 244628, 404168, 489256, 808336, 978512, 1161983, 2323966, 4647932, 9295864, 18591728]

約数ペア:

[(1, 18591728), (2, 9295864), (4, 4647932), (8, 2323966), (16, 1161983), (19, 978512), (23, 808336), (38, 489256), (46, 404168), (76, 244628), (92, 202084), (152, 122314), (184, 101042), (304, 61157), (368, 50521), (437, 42544), (874, 21272), (1748, 10636), (2659, 6992), (3496, 5318)]