18747256

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 39213720

約数和(自身を除く): 20466464

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 121, 181, 214, 242, 362, 428, 484, 724, 856, 968, 1177, 1448, 1991, 2354, 3982, 4708, 7964, 9416, 12947, 15928, 19367, 21901, 25894, 38734, 43802, 51788, 77468, 87604, 103576, 154936, 175208, 213037, 426074, 852148, 1704296, 2343407, 4686814, 9373628, 18747256]

約数ペア:

[(1, 18747256), (2, 9373628), (4, 4686814), (8, 2343407), (11, 1704296), (22, 852148), (44, 426074), (88, 213037), (107, 175208), (121, 154936), (181, 103576), (214, 87604), (242, 77468), (362, 51788), (428, 43802), (484, 38734), (724, 25894), (856, 21901), (968, 19367), (1177, 15928), (1448, 12947), (1991, 9416), (2354, 7964), (3982, 4708)]