19975338

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 45082440

約数和(自身を除く): 25107102

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 89, 111, 178, 222, 267, 333, 337, 534, 666, 674, 801, 1011, 1602, 2022, 3033, 3293, 6066, 6586, 9879, 12469, 19758, 24938, 29637, 29993, 37407, 59274, 59986, 74814, 89979, 112221, 179958, 224442, 269937, 539874, 1109741, 2219482, 3329223, 6658446, 9987669, 19975338]

約数ペア:

[(1, 19975338), (2, 9987669), (3, 6658446), (6, 3329223), (9, 2219482), (18, 1109741), (37, 539874), (74, 269937), (89, 224442), (111, 179958), (178, 112221), (222, 89979), (267, 74814), (333, 59986), (337, 59274), (534, 37407), (666, 29993), (674, 29637), (801, 24938), (1011, 19758), (1602, 12469), (2022, 9879), (3033, 6586), (3293, 6066)]