18970272

素因数分解:

$2^5\times 3^2\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:546

約数の個数: 72

約数和(自身を含む): 54381600

約数和(自身を除く): 35411328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 199, 288, 331, 398, 597, 662, 796, 993, 1194, 1324, 1592, 1791, 1986, 2388, 2648, 2979, 3184, 3582, 3972, 4776, 5296, 5958, 6368, 7164, 7944, 9552, 10592, 11916, 14328, 15888, 19104, 23832, 28656, 31776, 47664, 57312, 65869, 95328, 131738, 197607, 263476, 395214, 526952, 592821, 790428, 1053904, 1185642, 1580856, 2107808, 2371284, 3161712, 4742568, 6323424, 9485136, 18970272]

約数ペア:

[(1, 18970272), (2, 9485136), (3, 6323424), (4, 4742568), (6, 3161712), (8, 2371284), (9, 2107808), (12, 1580856), (16, 1185642), (18, 1053904), (24, 790428), (32, 592821), (36, 526952), (48, 395214), (72, 263476), (96, 197607), (144, 131738), (199, 95328), (288, 65869), (331, 57312), (398, 47664), (597, 31776), (662, 28656), (796, 23832), (993, 19104), (1194, 15888), (1324, 14328), (1592, 11916), (1791, 10592), (1986, 9552), (2388, 7944), (2648, 7164), (2979, 6368), (3184, 5958), (3582, 5296), (3972, 4776)]