19528376

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 45074880

約数和(自身を除く): 25546504

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 73, 119, 136, 146, 238, 281, 292, 476, 511, 562, 584, 952, 1022, 1124, 1241, 1967, 2044, 2248, 2482, 3934, 4088, 4777, 4964, 7868, 8687, 9554, 9928, 15736, 17374, 19108, 20513, 33439, 34748, 38216, 41026, 66878, 69496, 82052, 133756, 143591, 164104, 267512, 287182, 348721, 574364, 697442, 1148728, 1394884, 2441047, 2789768, 4882094, 9764188, 19528376]

約数ペア:

[(1, 19528376), (2, 9764188), (4, 4882094), (7, 2789768), (8, 2441047), (14, 1394884), (17, 1148728), (28, 697442), (34, 574364), (56, 348721), (68, 287182), (73, 267512), (119, 164104), (136, 143591), (146, 133756), (238, 82052), (281, 69496), (292, 66878), (476, 41026), (511, 38216), (562, 34748), (584, 33439), (952, 20513), (1022, 19108), (1124, 17374), (1241, 15736), (1967, 9928), (2044, 9554), (2248, 8687), (2482, 7868), (3934, 4964), (4088, 4777)]