18912900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2741}}^1$

素因数の和:2781

約数の個数: 72

約数和(自身を含む): 57121344

約数和(自身を除く): 38208444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 2741, 3450, 5482, 6900, 8223, 10964, 13705, 16446, 27410, 32892, 41115, 54820, 63043, 68525, 82230, 126086, 137050, 164460, 189129, 205575, 252172, 274100, 315215, 378258, 411150, 630430, 756516, 822300, 945645, 1260860, 1576075, 1891290, 3152150, 3782580, 4728225, 6304300, 9456450, 18912900]

約数ペア:

[(1, 18912900), (2, 9456450), (3, 6304300), (4, 4728225), (5, 3782580), (6, 3152150), (10, 1891290), (12, 1576075), (15, 1260860), (20, 945645), (23, 822300), (25, 756516), (30, 630430), (46, 411150), (50, 378258), (60, 315215), (69, 274100), (75, 252172), (92, 205575), (100, 189129), (115, 164460), (138, 137050), (150, 126086), (230, 82230), (276, 68525), (300, 63043), (345, 54820), (460, 41115), (575, 32892), (690, 27410), (1150, 16446), (1380, 13705), (1725, 10964), (2300, 8223), (2741, 6900), (3450, 5482)]