19977216

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{929}}^1$

素因数の和:959

約数の個数: 88

約数和(自身を含む): 60918720

約数和(自身を除く): 40941504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 929, 1024, 1344, 1536, 1792, 1858, 2688, 2787, 3072, 3584, 3716, 5376, 5574, 6503, 7168, 7432, 10752, 11148, 13006, 14864, 19509, 21504, 22296, 26012, 29728, 39018, 44592, 52024, 59456, 78036, 89184, 104048, 118912, 156072, 178368, 208096, 237824, 312144, 356736, 416192, 475648, 624288, 713472, 832384, 951296, 1248576, 1426944, 1664768, 2497152, 2853888, 3329536, 4994304, 6659072, 9988608, 19977216]

約数ペア:

[(1, 19977216), (2, 9988608), (3, 6659072), (4, 4994304), (6, 3329536), (7, 2853888), (8, 2497152), (12, 1664768), (14, 1426944), (16, 1248576), (21, 951296), (24, 832384), (28, 713472), (32, 624288), (42, 475648), (48, 416192), (56, 356736), (64, 312144), (84, 237824), (96, 208096), (112, 178368), (128, 156072), (168, 118912), (192, 104048), (224, 89184), (256, 78036), (336, 59456), (384, 52024), (448, 44592), (512, 39018), (672, 29728), (768, 26012), (896, 22296), (929, 21504), (1024, 19509), (1344, 14864), (1536, 13006), (1792, 11148), (1858, 10752), (2688, 7432), (2787, 7168), (3072, 6503), (3584, 5574), (3716, 5376)]