18611656

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 23413304

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 71, 124, 142, 151, 217, 248, 284, 302, 434, 497, 568, 604, 868, 994, 1057, 1208, 1736, 1988, 2114, 2201, 3976, 4228, 4402, 4681, 8456, 8804, 9362, 10721, 15407, 17608, 18724, 21442, 30814, 32767, 37448, 42884, 61628, 65534, 75047, 85768, 123256, 131068, 150094, 262136, 300188, 332351, 600376, 664702, 1329404, 2326457, 2658808, 4652914, 9305828, 18611656]

約数ペア:

[(1, 18611656), (2, 9305828), (4, 4652914), (7, 2658808), (8, 2326457), (14, 1329404), (28, 664702), (31, 600376), (56, 332351), (62, 300188), (71, 262136), (124, 150094), (142, 131068), (151, 123256), (217, 85768), (248, 75047), (284, 65534), (302, 61628), (434, 42884), (497, 37448), (568, 32767), (604, 30814), (868, 21442), (994, 18724), (1057, 17608), (1208, 15407), (1736, 10721), (1988, 9362), (2114, 8804), (2201, 8456), (3976, 4681), (4228, 4402)]