19753216

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 45981824

約数和(自身を除く): 26228608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 151, 224, 256, 292, 302, 448, 511, 584, 604, 896, 1022, 1057, 1168, 1208, 1792, 2044, 2114, 2336, 2416, 4088, 4228, 4672, 4832, 8176, 8456, 9344, 9664, 11023, 16352, 16912, 18688, 19328, 22046, 32704, 33824, 38656, 44092, 65408, 67648, 77161, 88184, 130816, 135296, 154322, 176368, 270592, 308644, 352736, 617288, 705472, 1234576, 1410944, 2469152, 2821888, 4938304, 9876608, 19753216]

約数ペア:

[(1, 19753216), (2, 9876608), (4, 4938304), (7, 2821888), (8, 2469152), (14, 1410944), (16, 1234576), (28, 705472), (32, 617288), (56, 352736), (64, 308644), (73, 270592), (112, 176368), (128, 154322), (146, 135296), (151, 130816), (224, 88184), (256, 77161), (292, 67648), (302, 65408), (448, 44092), (511, 38656), (584, 33824), (604, 32704), (896, 22046), (1022, 19328), (1057, 18688), (1168, 16912), (1208, 16352), (1792, 11023), (2044, 9664), (2114, 9344), (2336, 8456), (2416, 8176), (4088, 4832), (4228, 4672)]