19721664

素因数分解:

$2^6\times 3^3\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 112

約数和(自身を含む): 59070240

約数和(自身を除く): 39348576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 101, 108, 113, 144, 192, 202, 216, 226, 288, 303, 339, 404, 432, 452, 576, 606, 678, 808, 864, 904, 909, 1017, 1212, 1356, 1616, 1728, 1808, 1818, 2034, 2424, 2712, 2727, 3051, 3232, 3616, 3636, 4068, 4848, 5424, 5454, 6102, 6464, 7232, 7272, 8136, 9696, 10848, 10908, 11413, 12204, 14544, 16272, 19392, 21696, 21816, 22826, 24408, 29088, 32544, 34239, 43632, 45652, 48816, 58176, 65088, 68478, 87264, 91304, 97632, 102717, 136956, 174528, 182608, 195264, 205434, 273912, 308151, 365216, 410868, 547824, 616302, 730432, 821736, 1095648, 1232604, 1643472, 2191296, 2465208, 3286944, 4930416, 6573888, 9860832, 19721664]

約数ペア:

[(1, 19721664), (2, 9860832), (3, 6573888), (4, 4930416), (6, 3286944), (8, 2465208), (9, 2191296), (12, 1643472), (16, 1232604), (18, 1095648), (24, 821736), (27, 730432), (32, 616302), (36, 547824), (48, 410868), (54, 365216), (64, 308151), (72, 273912), (96, 205434), (101, 195264), (108, 182608), (113, 174528), (144, 136956), (192, 102717), (202, 97632), (216, 91304), (226, 87264), (288, 68478), (303, 65088), (339, 58176), (404, 48816), (432, 45652), (452, 43632), (576, 34239), (606, 32544), (678, 29088), (808, 24408), (864, 22826), (904, 21816), (909, 21696), (1017, 19392), (1212, 16272), (1356, 14544), (1616, 12204), (1728, 11413), (1808, 10908), (1818, 10848), (2034, 9696), (2424, 8136), (2712, 7272), (2727, 7232), (3051, 6464), (3232, 6102), (3616, 5454), (3636, 5424), (4068, 4848)]