18669675

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 32855040

約数和(自身を除く): 14185365

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 79, 115, 137, 237, 345, 395, 411, 575, 685, 1185, 1725, 1817, 1975, 2055, 3151, 3425, 5451, 5925, 9085, 9453, 10275, 10823, 15755, 27255, 32469, 45425, 47265, 54115, 78775, 136275, 162345, 236325, 248929, 270575, 746787, 811725, 1244645, 3733935, 6223225, 18669675]

約数ペア:

[(1, 18669675), (3, 6223225), (5, 3733935), (15, 1244645), (23, 811725), (25, 746787), (69, 270575), (75, 248929), (79, 236325), (115, 162345), (137, 136275), (237, 78775), (345, 54115), (395, 47265), (411, 45425), (575, 32469), (685, 27255), (1185, 15755), (1725, 10823), (1817, 10275), (1975, 9453), (2055, 9085), (3151, 5925), (3425, 5451)]