17909704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 20970296

約数列:

[1, 2, 4, 8, 17, 19, 29, 34, 38, 58, 68, 76, 116, 136, 152, 232, 239, 323, 478, 493, 551, 646, 956, 986, 1102, 1292, 1912, 1972, 2204, 2584, 3944, 4063, 4408, 4541, 6931, 8126, 9082, 9367, 13862, 16252, 18164, 18734, 27724, 32504, 36328, 37468, 55448, 74936, 77197, 117827, 131689, 154394, 235654, 263378, 308788, 471308, 526756, 617576, 942616, 1053512, 2238713, 4477426, 8954852, 17909704]

約数ペア:

[(1, 17909704), (2, 8954852), (4, 4477426), (8, 2238713), (17, 1053512), (19, 942616), (29, 617576), (34, 526756), (38, 471308), (58, 308788), (68, 263378), (76, 235654), (116, 154394), (136, 131689), (152, 117827), (232, 77197), (239, 74936), (323, 55448), (478, 37468), (493, 36328), (551, 32504), (646, 27724), (956, 18734), (986, 18164), (1102, 16252), (1292, 13862), (1912, 9367), (1972, 9082), (2204, 8126), (2584, 6931), (3944, 4541), (4063, 4408)]