18116956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 39231360

約数和(自身を除く): 21114404

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1667, 2717, 3334, 5434, 6668, 10868, 18337, 21671, 31673, 36674, 43342, 63346, 73348, 86684, 126692, 238381, 348403, 411749, 476762, 696806, 823498, 953524, 1393612, 1646996, 4529239, 9058478, 18116956]

約数ペア:

[(1, 18116956), (2, 9058478), (4, 4529239), (11, 1646996), (13, 1393612), (19, 953524), (22, 823498), (26, 696806), (38, 476762), (44, 411749), (52, 348403), (76, 238381), (143, 126692), (209, 86684), (247, 73348), (286, 63346), (418, 43342), (494, 36674), (572, 31673), (836, 21671), (988, 18337), (1667, 10868), (2717, 6668), (3334, 5434)]