19736864

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 48335616

約数和(自身を除く): 28598752

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 71, 73, 112, 119, 136, 142, 146, 224, 238, 272, 284, 292, 476, 497, 511, 544, 568, 584, 952, 994, 1022, 1136, 1168, 1207, 1241, 1904, 1988, 2044, 2272, 2336, 2414, 2482, 3808, 3976, 4088, 4828, 4964, 5183, 7952, 8176, 8449, 8687, 9656, 9928, 10366, 15904, 16352, 16898, 17374, 19312, 19856, 20732, 33796, 34748, 36281, 38624, 39712, 41464, 67592, 69496, 72562, 82928, 88111, 135184, 138992, 145124, 165856, 176222, 270368, 277984, 290248, 352444, 580496, 616777, 704888, 1160992, 1233554, 1409776, 2467108, 2819552, 4934216, 9868432, 19736864]

約数ペア:

[(1, 19736864), (2, 9868432), (4, 4934216), (7, 2819552), (8, 2467108), (14, 1409776), (16, 1233554), (17, 1160992), (28, 704888), (32, 616777), (34, 580496), (56, 352444), (68, 290248), (71, 277984), (73, 270368), (112, 176222), (119, 165856), (136, 145124), (142, 138992), (146, 135184), (224, 88111), (238, 82928), (272, 72562), (284, 69496), (292, 67592), (476, 41464), (497, 39712), (511, 38624), (544, 36281), (568, 34748), (584, 33796), (952, 20732), (994, 19856), (1022, 19312), (1136, 17374), (1168, 16898), (1207, 16352), (1241, 15904), (1904, 10366), (1988, 9928), (2044, 9656), (2272, 8687), (2336, 8449), (2414, 8176), (2482, 7952), (3808, 5183), (3976, 4964), (4088, 4828)]