19183978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 14657174

約数列:

[1, 2, 11, 22, 23, 31, 46, 62, 253, 341, 506, 682, 713, 1223, 1426, 2446, 7843, 13453, 15686, 26906, 28129, 37913, 56258, 75826, 309419, 417043, 618838, 834086, 871999, 1743998, 9591989, 19183978]

約数ペア:

[(1, 19183978), (2, 9591989), (11, 1743998), (22, 871999), (23, 834086), (31, 618838), (46, 417043), (62, 309419), (253, 75826), (341, 56258), (506, 37913), (682, 28129), (713, 26906), (1223, 15686), (1426, 13453), (2446, 7843)]