19408642

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 33519744

約数和(自身を除く): 14111102

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 317, 506, 634, 1331, 2662, 2783, 3487, 5566, 6974, 7291, 14582, 30613, 38357, 61226, 76714, 80201, 160402, 421927, 843854, 882211, 1764422, 9704321, 19408642]

約数ペア:

[(1, 19408642), (2, 9704321), (11, 1764422), (22, 882211), (23, 843854), (46, 421927), (121, 160402), (242, 80201), (253, 76714), (317, 61226), (506, 38357), (634, 30613), (1331, 14582), (2662, 7291), (2783, 6974), (3487, 5566)]