19957248

素因数分解:

$2^9\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 120

約数和(自身を含む): 59366736

約数和(自身を除く): 39409488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 71, 72, 96, 122, 128, 142, 144, 183, 192, 213, 244, 256, 284, 288, 366, 384, 426, 488, 512, 549, 568, 576, 639, 732, 768, 852, 976, 1098, 1136, 1152, 1278, 1464, 1536, 1704, 1952, 2196, 2272, 2304, 2556, 2928, 3408, 3904, 4331, 4392, 4544, 4608, 5112, 5856, 6816, 7808, 8662, 8784, 9088, 10224, 11712, 12993, 13632, 15616, 17324, 17568, 18176, 20448, 23424, 25986, 27264, 31232, 34648, 35136, 36352, 38979, 40896, 46848, 51972, 54528, 69296, 70272, 77958, 81792, 93696, 103944, 109056, 138592, 140544, 155916, 163584, 207888, 277184, 281088, 311832, 327168, 415776, 554368, 623664, 831552, 1108736, 1247328, 1663104, 2217472, 2494656, 3326208, 4989312, 6652416, 9978624, 19957248]

約数ペア:

[(1, 19957248), (2, 9978624), (3, 6652416), (4, 4989312), (6, 3326208), (8, 2494656), (9, 2217472), (12, 1663104), (16, 1247328), (18, 1108736), (24, 831552), (32, 623664), (36, 554368), (48, 415776), (61, 327168), (64, 311832), (71, 281088), (72, 277184), (96, 207888), (122, 163584), (128, 155916), (142, 140544), (144, 138592), (183, 109056), (192, 103944), (213, 93696), (244, 81792), (256, 77958), (284, 70272), (288, 69296), (366, 54528), (384, 51972), (426, 46848), (488, 40896), (512, 38979), (549, 36352), (568, 35136), (576, 34648), (639, 31232), (732, 27264), (768, 25986), (852, 23424), (976, 20448), (1098, 18176), (1136, 17568), (1152, 17324), (1278, 15616), (1464, 13632), (1536, 12993), (1704, 11712), (1952, 10224), (2196, 9088), (2272, 8784), (2304, 8662), (2556, 7808), (2928, 6816), (3408, 5856), (3904, 5112), (4331, 4608), (4392, 4544)]