19741828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 38377584

約数和(自身を除く): 18635756

約数列:

[1, 2, 4, 17, 34, 41, 68, 73, 82, 97, 146, 164, 194, 292, 388, 697, 1241, 1394, 1649, 2482, 2788, 2993, 3298, 3977, 4964, 5986, 6596, 7081, 7954, 11972, 14162, 15908, 28324, 50881, 67609, 101762, 120377, 135218, 203524, 240754, 270436, 290321, 481508, 580642, 1161284, 4935457, 9870914, 19741828]

約数ペア:

[(1, 19741828), (2, 9870914), (4, 4935457), (17, 1161284), (34, 580642), (41, 481508), (68, 290321), (73, 270436), (82, 240754), (97, 203524), (146, 135218), (164, 120377), (194, 101762), (292, 67609), (388, 50881), (697, 28324), (1241, 15908), (1394, 14162), (1649, 11972), (2482, 7954), (2788, 7081), (2993, 6596), (3298, 5986), (3977, 4964)]